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What is Time?

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Hour Glass
Time is a tool that humans use to measure changes and predict events. Human time is based on one full rotation of the earth on it's axis and one full orbit around our sun, which are then scaled into readable numbers. Time is also measured by the speed of light. Time to humans is mostly our way of measuring biological decay so that we can estimate how long our body will survive and how much time we have left in our lifetime. We can also use time to estimate how long matter and other molecules will last. Time comes in handy. There's a time and place for everything.

Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.

Time Perception - Time waits for no one, and temporary may be longer or shorter than you think. Days - Minutes - Seconds.

Time is a period of time considered as a resource under your control and sufficient enough to accomplish something. An instance or single occasion for some event. A suitable moment. Regulate or set the time of. An indefinite period (usually marked by specific attributes or activities). The continuum of experience in which events pass from the future through the present to the past. A person's experience on a particular occasion. A reading of a point in time as given by a clock. The fourth coordinate that is required (along with three spatial dimensions) to specify a physical event Rhythm as given by division into parts of equal duration. Measure the time or duration of an event or action or the person who performs an action in a certain period of time. Assign a time for an activity or event. Set the speed, duration, or execution of. Adjust so that a force is applied and an action occurs at the desired time.

Past is the time that has elapsed. Events which occurred before a given point in time. An earlier period in someone's life. History

Present is a period of time between the past and the future, now existing or happening now, the period of time that is happening now, the time that is associated with the events perceived directly and in the first time.

Future are events or states that have not yet happened, The time yet to come, Yet to be, what will happen in the time after the present. Its arrival is considered inevitable due to the existence of time and the laws of physics.

Medium Future is relating to a period of time that is neither very soon nor very far.

Long-Term is usually above 3 years, with medium-term usually between 1 and 3 years and short-term usually under 1 year.

Timeline of some of the things that will happen in the Near Future (a incomplete list that leaves things out, no vision).

Timeline of the Far Future (a incomplete list that leaves things out, no vision).

Forever is for a limitless time or a very long or seemingly endless time. Without interruption.

Atoms - Infinity - Continuum - Time Travel - Time Perception - Time Loop

Permanent is something continuing or enduring without marked change in status or condition or place. Not capable of being reversed or returned to the original condition.

Permanence is the property of being able to exist for an indefinite duration. Lack of Chaos (consistency)

Eternity is time without end. A state of eternal existence believed in some religions to characterize the afterlife. A seemingly endless time interval (waiting).

Father Time is the indefinite continued progress of existence and events in the past, present, and future regarded as a whole. The personification of time, typically as an old man with a scythe and hourglass.

Impermanence is the fact that all things are subject to decline and destruction, and permanence is mostly an illusion. Temporal things, whether material or mental, are compounded objects in a continuous change of condition. Though many things in life are in a cycle of death and rebirth, many things eventually disintegrate or fade away, but exactly where "away" is, is mostly undefined. Entropy - Conservation of Mass.

Temporal are things that are limited by time and of this world as opposed to the spiritual world.

Temporary is something that is intended to be not permanent or not lasting. Lacking continuity or regularity.

Continuing is to move ahead; travel onward in time, space, place, position, or situation. To do something repeatedly and showing no intention to stop. Exist over a prolonged period of time or to continue after an interruption.

Periodic is something happening or recurring at regular intervals. Recurring or reappearing from time to time.

Period is an amount of time. The interval taken to complete one cycle of a regularly repeating phenomenon. A unit of geological time during which a system of rocks formed. The end or completion of something.

Instant is a very short time, as the time it takes the eye to blink or the heart to beat. A particular point in time. Occurring with no delay.

Interval is a definite length of time marked off by two instants. Interval in music is the difference in pitch between two notes. Interval in math is set containing all points or all real numbers between two given endpoints. Duration.

Protracted is lasting for a long time or longer than expected or usual. Lengthen in time; cause to be or last longer.

Continuity is an uninterrupted connection or union. Detailed instructions in order to avoid discontinuities. The property of a continuous and connected period of time. Steady State (wiki)

Preservation is avoiding decay or loss. Thermodynamics - Food Preservation

Perseveration is the tendency for a memory or idea to persist or recur without any apparent stimulus for it. The repetition of a particular response such as a word, phrase, or gesture regardless of the absence or cessation of a stimulus. The act of persisting or persevering; continuing or Repeating Behavior. Cycles - Seasons - Rhythms - Patterns.

Perseverance is to continue or to keep repeating something of importance. Preserve.

Determination is deciding or controlling something's outcome or nature. Being determined to do or achieve something. Having firmness of purpose. Determining is to establish something after a calculation, investigation, experiment, research, inquiry, survey, or study in order to come to a decision, shape, influence or give direction to. Devoting your strength and concentrated attention to something important. Making up your mind about something and coming to terms. Goal.

Destiny is an event or a course of events that will inevitably happen in the future. Your overall circumstances or condition in life including everything that happens to you.

Inevitably is something that is most likely to happen in the future, something that is impossible to avoid or evade. Adapt.

Retroactively is something happening after the fact and affecting things in the past or taking effect from a date in the past. Descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously. Ex post facto law.

Predictions - Calendars - Units of Time (wiki)

Time Measuring - What Time is it?

Second is defined as 1⁄86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each. Another intuitive understanding is that it is about the time between beats of a human heart.

Millisecond is a thousandth of a second. (0.001 or 10−3 or 1/1000). 100 milliseconds is one tenth of a second.

Microsecond equal to one millionth of a second. Its symbol is μs. (0.000001 or 10−6 or 1/1,000,000).

Picosecond is an SI unit of time equal to 10−12 or 1/1,000,000,000,000 (one trillionth) of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds. A picosecond is to one second as one second is to approximately 31,689 years. Lasers.
Zeptosecond is a unit of time equal to 0.000 000 000 000 000 000 001 seconds, that is, 10−21 second, and with symbol zs.
A Zeptosecond stopwatch for the microcosm. Physicists have recorded an internal atomic event with an accuracy of a trillionth of a billionth of a second.
Attoseconds is a thousandths of a Femtosecond, or quintillionths of a second.

Minute is 60 Seconds - Clocks

A second isn’t what you think it is. Scientifically, it’s not defined as 1/60th of a minute, but as “the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom”.

Hour is 60 Minutes (1/24 of a day).

Day is equal to 24 hours (Earth completes one rotation with respect to the Sun) - 365 Days in a Year is when Earth makes one full Orbit around the Sun.

Solar Time is a calculation of the passage of time based on the position of the Sun in the sky. The fundamental unit of solar time is the day. Two types of solar time are apparent solar time (sundial time) and mean solar time (clock time).

Sundial is a device that tells the time of day when there is sunlight by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate (the dial) and a gnomon, which casts a shadow onto the dial. As the Sun appears to move across the sky, the shadow aligns with different hour-lines, which are marked on the dial to indicate the time of day.

Subsolar Point is where the sun is perceived to be directly overhead (in zenith); that is where the sun's rays are hitting the planet exactly perpendicular to its surface. It can also mean the point closest to the sun on an object in space, even though the sun might not be visible. Lahaina Noon is a tropical solar phenomenon when the Sun culminates at the zenith at solar noon, passing directly overhead (above the subsolar point).

Sidereal Time is a timekeeping system that astronomers use to locate celestial objects. Using sidereal time, it is possible to easily point a telescope to the proper coordinates in the night sky. Briefly, sidereal time is a "time scale that is based on Earth's rate of rotation measured relative to the fixed stars that are light years away".

Time Zone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communication to keep the same time.

Week is 7 Days. 4 Weeks in 1 Month. 12 Months in 1 Year. 1,440 minutes in one day. 525,600 minutes in one year. Names of the days of the week origin and history (wiki). ISO 8601 (wiki).

Month is a unit of time, used with Calendars, which is approximately as long as a natural period related to the motion of the Moon; month and Moon are cognates. The traditional concept arose with the cycle of Moon phases; such months (lunations) are synodic months and last approximately 29.53 days. From excavated tally sticks, researchers have deduced that people counted days in relation to the Moon's phases as early as the Paleolithic age. Synodic months, based on the Moon's orbital period with respect to the Earth-Sun line, are still the basis of many calendars today, and are used to divide the year.

Year is the orbital period of the Earth moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the Seasons, marked by change in weather, the hours of daylight, and, consequently, vegetation and soil fertility. For the Gregorian calendar, the average length of the calendar year (the mean year) across the complete leap cycle of 400 years is 365.2425 days.

Great Year is the period of one complete cycle of the equinoxes around the ecliptic, about 25,800 years.

Aeon is a Relatively long period of time. Knowledge Preservation.

Orders of Magnitude in Reference to Time is a description of the quantity of a time in respect to comparison between differing magnitudes. In common usage, the scale is usually the base10 or base−10 exponent being applied to an amount, making the order of magnitude 10 times greater or smaller. As the differences are measured in factors of 10, a logarithmic scale is applied. In terms of time, the relationship between the smallest limit of time, the Planck time, and the next order of magnitude larger is 10.

Real-Time Types (wiki) - Real Time Monitoring

Space Time - Time Dilation

2012 Phenomenon was a range of eschatological beliefs that cataclysmic or otherwise transformative events would occur on or around 21 December 2012.

86,400 seconds in a day. (1+8=9) - 10,080 Minutes in a Day (1+8=9) - 525,600 Minutes in a Year. Number 9.

1,000 seconds is about 16 minutes. - A million seconds is about 11 days. - A billion seconds is about 32 years.

Timeline of Earth History (our moment in the sun)

Clocks is an instrument to indicate time, keep time, and co-ordinate time. Any device for measuring time and displaying the time.

Standard Time is the synchronization of clocks within a geographical area or region to a single time standard, rather than using solar time or a locally chosen meridian (longitude) to establish a local mean time standard.

Time Standard is a specification for measuring time: either the rate at which time passes; or points in time; or both. In modern times, several time specifications have been officially recognized as standards, where formerly they were matters of custom and practice. An example of a kind of time standard can be a time scale, specifying a method for measuring divisions of time. A standard for civil time can specify both time intervals and time-of-day. Standardized time measurements are made using a clock to count periods of some period changes, which may be either the changes of a natural phenomenon or of an artificial machine.

Equation of Time describes the discrepancy between two kinds of Solar Time. The word equation is used in the medieval sense of "reconcile a difference". The two times that differ are the apparent solar time, which directly tracks the diurnal motion of the Sun, and mean solar time, which tracks a theoretical mean Sun with noons 24 hours apart. Apparent solar time can be obtained by measurement of the current position (hour angle) of the Sun, as indicated (with limited accuracy) by a sundial. Mean solar time, for the same place, would be the time indicated by a steady clock set so that over the year its differences from apparent solar time would resolve to zero. The equation of time is the east or west component of the analemma, a curve representing the angular offset of the Sun from its mean position on the celestial sphere as viewed from Earth. The equation of time values for each day of the year, compiled by astronomical observatories, were widely listed in almanacs and ephemerides.

History of Timekeeping Devices (wiki)


Milestone is a significant event in your life (or in a project). Baby Milestones (child development) - Milestone (project management).

Juncture is an event that occurs at a critical time. A particular point in events or time. A crisis situation or point in time when a critical decision must be made. The shape or manner in which things come together and a connection is made.

Critical Path Method is an algorithm for scheduling a set of project activities. It is commonly used in conjunction with the program evaluation and review technique (PERT).

Regulated is to fix or adjust the time, amount, degree, or rate of. Shape or influence; give direction to. Controlled or governed according to rule or principle or law. Principles or usage. 

Time-Lapse Photography is a technique whereby the frequency at which film frames are captured (the frame rate) is much lower than that used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing.

Hyperlapse is a technique in time-lapse photography that allows the photographer to create motion shots. In its simplest form, a hyperlapse is achieved by manually moving the camera a short distance between each shot.

Lapse is a break or intermission in the occurrence of something.

Slow Motion is an effect in film-making whereby time appears to be slowed down.

Fast Forward is to move forward through a recording at a speed faster than that at which it would usually be played.

High-Speed Photography is the science of taking pictures of very fast. Macro Room (youtube).

High-Seed Camera is a device capable of capturing moving images with exposures of less than 1/1,000 second or frame rates in excess of 250 frames per second.

T-CUP is the world's Fastest Camera, capable of capturing 10 trillion Frames Per Second. Compressed ultrafast photography system using ultra-short pulses in the femtosecond range (10-15 s), combined with the image acquired it uses the Femtosecond streak camera, which is far too short to visualize, but it makes it possible to freeze time and create extremely slow motion images. Streak Camera is an instrument for measuring the variation in a pulse of light's intensity with time. They are used to measure the pulse duration of some ultrafast laser systems and for applications such as time-resolved spectroscopy and LIDAR.

Burst Mode in photography is when several photographs are captured in quick succession by either pressing the shutter button or holding it down.

Watching a video twice the playback speed or 2X Speed, is sometimes more effective for learning than watching it at normal playback speed. Information can be delivered a lot slower than we are capable of processing it, by speeding videos up you will consume more information, remember it better, and be less bored, and save time.

1x speed is a video at normal speed. 2x speed would play a video twice as quickly.

Most of us speak at the rate of about 125 words per minute. However, we have the mental capacity to understand someone speaking at 400 words per minute, if that were possible. Speed Reading.

Space Time

Spacetime is any mathematical model that combines space and time into a single interwoven continuum, which is an involving gradual quantitative transitions without abrupt changes or discontinuities. Relative.

Space-time Continuum is a mathematical model that joins space and time into a single idea called a continuum. This four-dimensional continuum is known as Minkowski space, which is a four-dimensional manifold that has four dimensions: three dimensions of space (x, y, z) and one dimension of time.

Continuum as a measurement theories or models explains variation as involving gradual quantitative transitions without abrupt changes or discontinuities. In contrast, categorical theories or models explain variation using qualitatively different states.

is a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts.

Space-Time Crystal is a structure periodic in time and space. It extends the idea of a crystal to four dimensions. Analogues of the space-time crystal have been made that are in a non-equilibrium state that needs an external drive to repeat in time.

Spacetime Symmetries are features of spacetime that can be described as exhibiting some form of symmetry. The role of symmetry in physics is important in simplifying solutions to many problems. Spacetime symmetries are used in the study of exact solutions of Einstein's field equations of general relativity.

Special Relativity is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time. In Albert Einstein's original pedagogical treatment, it is based on two postulates: The laws of physics are invariant (i.e., identical) in all inertial systems (i.e., non-accelerating frames of reference). The speed of light in a vacuum is the same for all observers, regardless of the motion of the light source. Special relativity describes how time and space aren't absolute concepts, but rather are relative depending on the speed of the observer. Time dilates, or slows down, the faster a person is moving in any direction. Relativistic Equations (wiki).

Wormhole or Spacetime Bridge, is a shortcut connecting two separate points in spacetime.

The Speed of Light - Time Dilation

Absolute Space and Time is a concept in physics and philosophy about the properties of the universe. In physics, absolute space and time may be a preferred frame.

Preferred Frame is usually a special hypothetical frame of reference in which the laws of physics might appear to be identifiably different (simpler) from those in other frames. In theories that apply the principle of relativity to inertial motion, physics is the same in all inertial frames, and is even the same in all frames under the general principle of relativity.

Inertial Frame of Reference is a frame of reference in which bodies, whose net force acting upon them is zero, are not accelerated; that is they are at rest or they move at a constant velocity in a straight line. In analytical terms, it is a frame of reference that describes time and space homogeneously, isotropically, and in a time-independent manner. Conceptually, in classical physics and special relativity, the physics of a system in an inertial frame have no causes external to the system. An inertial frame of reference may also be called an inertial reference frame, inertial frame, Galilean reference frame, or inertial space. All inertial frames are in a state of constant, rectilinear motion with respect to one another; an accelerometer moving with any of them would detect zero acceleration. Measurements in one inertial frame can be converted to measurements in another by a simple transformation (the Galilean transformation in Newtonian physics and the Lorentz transformation in special relativity). In general relativity, in any region small enough for the curvature of spacetime and tidal forces to be negligible, one can find a set of inertial frames that approximately describe that region. In a non-inertial reference frame in classical physics and special relativity, the physics of a system vary depending on the acceleration of that frame with respect to an inertial frame, and the usual physical forces must be supplemented by fictitious forces. In contrast, systems in non-inertial frames in general relativity don't have external causes, because of the principle of geodesic motion. In classical physics, for example, a ball dropped towards the ground does not go exactly straight down because the Earth is rotating, which means the frame of reference of an observer on Earth is not inertial. The physics must account for the Coriolis effect—in this case thought of as a force—to predict the horizontal motion. Another example of such a fictitious force associated with rotating reference frames is the centrifugal effect, or centrifugal force.

Our universe, space and time first started when there was energy that could move at the speed of light ( c) and energy with resting mass (that includes planets, electrons, you/me, etc.). The difference in speed creates what we perceive as a temporal dimension where resting mass is always trying to catch up to the speed of light. The gap between the 2 types of energy is called 3D space. Time slows the faster you move until the point when you get to the speed of light (c) and time stops. It no longer moves forward or backward. This is time dilation and helps prove this is true. Because stuff with resting mass can never catch up the process is ongoing and fast moving energy continues to speed away in all directions, creating more space. This also explains the arrow of time and helps explain gravity as being a decrease in the expansion of or collapse of space.

A Brief History of Time is a popular-science book on cosmology (the study of the universe) by British physicist Stephen Hawking. It was first published in 1988. Hawking wrote the book for nonspecialist readers with no prior knowledge of scientific theories. In A Brief History of Time, Hawking writes in non-technical terms about the structure, origin, development and eventual fate of the universe, which is the object of study of astronomy and modern physics. He talks about basic concepts like space and time, basic building blocks that make up the universe (such as quarks) and the fundamental forces that govern it (such as gravity). He writes about cosmological phenomena such as the Big Bang and black holes. He discusses two major theories, general relativity and quantum mechanics, that modern scientists use to describe the universe. Finally, he talks about the search for a unifying theory that describes everything in the universe in a coherent manner. The book became a bestseller and sold more than 10 million copies in 20 years. It was also on the London Sunday Times bestseller list for more than five years and was translated into 35 languages by 2001. Stephen Hawking Extended Interview: Last Week Tonight with John Oliver (HBO) (youtube)

Philosophy of Space and Time is the branch of philosophy concerned with the issues surrounding the ontology, epistemology, and character of space and time. While such ideas have been central to philosophy from its inception, the philosophy of space and time was both an inspiration for and a central aspect of early analytic philosophy. The subject focuses on a number of basic issues, including whether time and space exist independently of the mind, whether they exist independently of one another, what accounts for time's apparently unidirectional flow, whether times other than the present moment exist, and questions about the nature of identity (particularly the nature of identity over time).

What happens when you look up and see a ball headed toward you? Without even thinking about it, you flinch. That might be because our brains are constantly living our lives in fast-forward, playing out the action in our head before it happens.

Time Travel

I travel more now then I ever did. I travel into the future, I travel into the past, and then I travel back into the present to document my findings. Time Travel is real, as long as you learn not to associate time traveling with your physical self, like they portray in the movies, which is totally inaccurate and misleading. But movies themselves are a form of time travel, just like books, photos, TV, instant replay, Time-lapse Photography, fossils and stories. I am a time traveler, and I spend a lot of time in the future, but the weird part is, I have a feeling that I'm not alone. Many things in Life are traveling at different speeds, which depends on their size, their locations, the type of wave, frequency and their molecular properties. And these varying speeds is one of the reasons that makes life happen. And intelligent life such as humans can witness and interact with these varying speeds.

Time Travel is the concept of a human having the ability to move between certain points in time, mostly in the past. Analogous to movement between different points in space, typically using a hypothetical device known as a time machine, in the form of a vehicle or an entrance or portal connecting distant points in time.

If you could separate Time from Space, then what time would it be when you got there? Now here is not the same as Now somewhere else. Time and Space are linked together, so what happens when you unlink them? Space Travel.

Time relates to motion of matter within space. Take away the matter, and there are no properties for time to measure, or time relative to the matter. The space may be infinite and may exist whether or not matter existed within it. Time and space may be already separate, as time itself is merely a concept to measure distance between between material objects and their related velocities. Concepts of space and time are linked by common dependence on the existence of objects. Every object is also a concept that is scale dependent with arbitrarily defined boundaries in both space and time. But every concept only has meaning in relation to all other concepts. No concept stands on it own. It is impossible also to think of a single thing as an object without a subject or a subject without an object. There two types of time, universal time which runs as a backdrop to everything which as yet we do not understand fully. Then relative time which man instigated and uses. Objects in space are described as three dimensional and can be measured, relative to their height, width and depth.

Scientists say the universe is expanding, expanding into what? Something of course is outside the universe, something much larger than the universe itself. So let's imagine standing outside the universe, and the universe is the size of a basketball. So if you were larger than the universe you could take a person from one end of the universe and transfer them to the other side of the universe. Maybe using a syringe like device, which would make it look like a wormhole to us. To this person outside the universe all time would exist always simultaneously. Time would be just a record of a particular moment that is saved within the universe like a hard drive.

Zeno's Arrow Paradox. If everything when it occupies an equal space is at rest, and if that which is in locomotion is always occupying such a space at any moment, the flying arrow is therefore motionless. (as recounted by Aristotle, Physics VI:9, 239b5). In the arrow paradox (also known as the fletcher's paradox), Zeno states that for motion to occur, an object must change the position which it occupies. He gives an example of an arrow in flight. He states that in any one (duration-less) instant of time, the arrow is neither moving to where it is, nor to where it is not. It cannot move to where it is not, because no time elapses for it to move there; it cannot move to where it is, because it is already there. In other words, at every instant of time there is no motion occurring. If everything is motionless at every instant, and time is entirely composed of instants, then motion is impossible. Whereas the first two paradoxes divide space, this paradox starts by dividing time—and not into segments, but into points. Paradox of Place From Aristotle: If everything that exists has a place, place too will have a place, and so on ad infinitum. Dessa - Fighting Fish (youtube).

What if you could travel back in time and talk to yourself when you were just 10 years old, what would you say and what advice would you give? "Hey dude I'm you 50 years from now in the future, I have to warn you, there is so much you still don't know and schools are not teaching everything that you need to know. And some of the things that you think you know, are actually wrong and not true. But your ignorance is not your fault, you didn't learn how important learning is or did you have access to the most valuable knowledge and information that you need to fully understand yourself and the world around you. So here is all the knowledge and information that I have accumulated so far in 50 years which will save you a lot of time and also reduce the mistakes that you don't need to make. Even 50 years from now there will still be many things to learn, so never stop learning. Good Luck and never forget how important you are, you are not alone, and you will always be loved, always."

A lot of people said that if they had a chance to travel back in time they would kill Hitler. But if you were intelligent, you would go back in time to educate Hitler instead of killing him. Then he could have educated others. So by time that you are born, all the problems in the world would be solved. So that means that every person alive has the ability to time travel, they just have to choose the time they want to live in and understand that everything that they do now will affect their future self. But the reality is, it's not just you who gets affected by your past actions, it's everyone else and everything else that gets affected by your past actions.

What if you could go back in time to stop wars and crimes from happening? You can see the future, so you can also stop wars and crimes from happening. You might not know the exact day or how, but you know what causes wars and crimes, which is the ignorance of men. When we educate men more fully, then intelligent men will not start wars or commit crimes.

Time is not absolute. There for there could be no time travel machine, only a time difference, or a perceived difference in time.

Absolute is perfect or complete or pure. Complete and without restriction or qualification; sometimes used informally as intensifiers. Expressing finality with no implication of possible change. Not capable of being violated or infringed. Something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relative. Not limited by law.

All time exists all at once all the time. The Past, Present And Future exist all at once simultaneously. Everyone is always alive.

Eternalism in philosophy of time is a philosophical approach to the ontological nature of time, which takes the view that all existence in time is equally real, as opposed to presentism or the growing block universe theory of time, in which at least the future is not the same as any other time. Some forms of eternalism give time a similar ontology to that of space, as a dimension, with different times being as real as different places, and future events are "already there" in the same sense other places are already there, and that there is no objective flow of time. It is sometimes referred to as the "block time" or "block universe" theory due to its description of space-time as an unchanging four-dimensional "block", as opposed to the view of the world as a three-dimensional space modulated by the passage of time.

The illusion of time : past, present and future all exist together (youtube)

3 Simple Ways to Time Travel and 3 Complicated Ones (youtube)

Are we there yet? This question is really saying, "why don't I know where I am?" If I am here, then where is here? And if I am going somewhere, then where is there? I'm lost, or I'm just not paying attention and I'm definitely not managing time, or space. So to say, "are we there yet? Is really saying, "have I learned anything yet?"

Time Loop is a plot device in which periods of time are repeated and re-experienced by the characters, and there is often some hope of breaking out of the cycle of repetition. Time loop is sometimes used to refer to a causal loop; although they appear similar, causal loops are unchanging and self-originating, whereas time loops are constantly resetting: when a certain condition is met, such as a death of a character or a clock reaches a certain time, the loop starts again, with one or more characters retaining the memories from the previous loop. Stories with time loops commonly center on the character learning from each successive loop through time. Time Loop Movies.

Fourier Transform decomposes a function of time (a signal) into the frequencies that make it up, in a way similar to how a musical chord can be expressed as the amplitude (or loudness) of its constituent notes. The Fourier transform of a function of time itself is a complex-valued function of frequency, whose absolute value represents the amount of that frequency present in the original function, and whose complex argument is the phase offset of the basic sinusoid in that frequency.

Action Physics - Space Time - Time Management

"Objects can be traveling at different speeds depending on what reference point we take, time can alter from different reference perspectives, and mass can alter from different perspectives."

Time Dilation is a difference in the elapsed time measured by two observers, either due to a velocity difference relative to each other, or by being differently situated relative to a gravitational field. As a result of the nature of spacetime, a clock that is moving relative to an observer will be measured to tick slower than a clock that is at rest in the observer's own frame of reference. A clock that is under the influence of a stronger gravitational field than an observer's will also be measured to tick slower than the observer's own clock. Such time dilation has been repeatedly demonstrated, for instance by small disparities in a pair of atomic clocks after one of them is sent on a space trip, or by clocks on the Space Shuttle running slightly slower than reference clocks on Earth, or clocks on GPS and Galileo satellites running slightly faster. Time dilation has also been the subject of science fiction works, as it technically provides the means for forward time travel.

Time Passes Quicker at a Higher Altitudes

Gravitational Time Dilation is a form of time dilation, an actual difference of elapsed time between two events as measured by observers situated at varying distances from a gravitating mass. The higher the gravitational potential (the farther the clock is from the source of gravitation), the faster time passes. Albert Einstein originally predicted this effect in his theory of relativity and it has since been confirmed by tests of general relativity. Black Holes.

How can we be flying through space but at the same time feel like we are frozen in time? When we look up at the stars, year after year, the same stars are in the same place, almost looking like nothing has changed. Are we seeing the same stars that people saw a thousand years ago?

Chronostasis is a type of temporal illusion in which the first impression following the introduction of a new event or task demand to the brain appears to be extended in time. For example, chronostasis temporarily occurs when fixating on a target stimulus, immediately following a saccade (i.e., quick eye movement). This elicits an overestimation in the temporal duration for which that target stimulus (i.e., postsaccadic stimulus) was perceived. This effect can extend apparent durations by up to 500 ms and is consistent with the idea that the visual system models events prior to perception.

Spatial Intelligence - Space and the Universe

Timeline of the Far Future predicts how life will evolve over time; and plate tectonics, which shows how continents shift over millennia.

Temporal Paradox or time travel paradox is a paradox, an apparent contradiction, or a logical contradiction that is associated with the idea of time and time travel. Temporal paradoxes fall into two broad groups: consistency paradoxes exemplified by the grandfather paradox; and causal loops.

Time Warp is the idea of changing the past is logically contradictory, and results in a grandfather paradox, which is a paradox of time travel in which inconsistencies emerge through changing the past. The name comes from the paradox's common description as a person who travels to the past and kills their own grandfather, preventing the existence of their father or mother and therefore their own existence. Any inconsistency in past events may be regarded as a grandfather paradox.

Time Perception

Everyone is a Time Traveler
You time travel when you think about your past Memories.
You time travel when you think about past events in History
You time travel when you plan for the Future.
You time travel when you talk to someone younger or older then you.
You time travel when you look at the stars at night.
Second chances happen all the time, it's called learning from mistakes.

Autonoetic Consciousness is the human ability to mentally place ourselves in the past, in the future, or in counterfactual situations, and to thus be able to examine our own thoughts. Our sense of self affects our behavior, in the present, past and future. It relates to how we reflect on our own past behavior, how we feel about it, and this in turn determines if we do it again.

Noetic Sciences (beyond awareness)

Will our Knowledge be Preserved?

Time is a Measurement System, a Process for Learning and a very important Tool that helps us Plan and Predict. Though the timing of Cycles, Rhythms and Development are essential for Life, try not to spend to much time thinking about Time, this is just one of many tools that we have. 

The Primacy of Consciousness (youtube) 

Delta-T is the time difference obtained by subtracting Universal Time (UT) from Terrestrial Time (TT): ΔT=TT−UT.

Time Scale

Do you believe that time exists?

Time of Flight describes a variety of methods that measure the time that it takes for an object, particle or acoustic, electromagnetic or other wave to travel a distance through a medium. Action Physics.

Quasi-Biennial Oscillation is a quasiperiodic oscillation of the equatorial zonal wind between easterlies and westerlies in the tropical stratosphere with a mean period of 28 to 29 months.

Quasiperiodicity displays irregular periodicity. Periodic behavior is defined as recurring at regular intervals, such as "every 24 hours.

Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. The term vibration is precisely used to describe mechanical oscillation. Familiar examples of oscillation include a swinging pendulum and alternating current power. Hz

Arrow of Time involves the "one-way direction" or "asymmetry" of time. This direction can be determined by studying the organization of atoms, molecules, and bodies, and might be drawn upon a four-dimensional relativistic map of the world.

T-Symmetry is the theoretical symmetry of physical laws under a time reversal transformation.

Invariant Subspace of a linear mapping T : V - V from some vector space V to itself is a subspace W of V that is preserved by T; that is, T(W) - W.

CPT Symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C), parity transformation (P), and time reversal (T). CPT is the only combination of C, P, and T that is observed to be an exact symmetry of nature at the fundamental level.

Fourth Dimension is required (along with three spatial dimensions) to specify a physical event.

Time Perception

Time Visual
Time Perception refers to the subjective experience of life: time, which is measured by someone's own perception of the duration of the indefinite and unfolding of events.

"One million years in Human time might just be a single day to another life form. "

Even the speed of light is irrelevant. You might say the speed of light is the same everywhere, but it's how you measure it. Time on earth is only unique to us. Once you leave the planet or the solar system, time will need a new standard. One Light Year is about 5.9 trillion miles, which is the distance that light travels in a vacuum, which is one Julian year or 365.25 days. What does a day mean to someone who never lived on Earth? What is a year? What is a mile? What is reality? You could being a one foot ruler and say light travels 983,571,056.4304 feet per second (9.836e+8). Then they would say, what is a million and what is a second? Voyager One?

Frame Rate (flickers of light) - Space Time - Time Lapse

Slow Motion Perception is a postulated mental state wherein time seems to be slowed down. People experiencing life-threatening situations sometimes report that time seemed to have slowed down.

Quintillionths of a Second in Slow Motion. Observing and controlling ultrafast processes with attosecond resolution. Many chemical processes run so fast that they are only roughly understood. To clarify these processes, researchers have now developed a methodology with a resolution of quintillionths of a second. The new technology stands to help better understand processes like photosynthesis and develop faster computer chips.

Areas of the Brain that Process Time (image)

"Time flies when you're having fun" ..when you don't notice the passage of time, time will feel like it passes quickly.

Time goes Faster when you're busy doing things and when you're happy, like when traveling, socializing or doing activities that you like.

Time goes Slower when you're bored, unhappy or not busy doing anything important, like with some jobs.

Duration in philosophy is a theory of time and consciousness that the moment one attempted to measure a moment, it would be gone: one measures an immobile, complete line, whereas time is mobile and incomplete. For the individual, time may speed up or slow down, whereas, for science, it would remain the same. Hence Bergson decided to explore the inner life of man, which is a kind of duration, neither a unity nor a quantitative multiplicity. Duration is ineffable and can only be shown indirectly through images that can never reveal a complete picture. It can only be grasped through a simple intuition of the imagination.

Duration is the amount of elapsed time between two events. The period of time during which something continues.

Busy is being active or fully engaged or occupied. Characterized by much activity.

"Life starts out slow then life gradually speeds up because we add more things into our timeframe, which sadly makes us pay more attention to the time than to life itself."

Cycles is an interval during which a Recurring Sequence of Events occurs. A periodically repeated Sequence of events.

Seasons - Rhythms - Patterns - Random

Periodically is something that happens at regular time intervals or a definite length of time marked off by two instants.

Time is related to the speed at which our Earth turns, and since most planets turn or rotate at different speeds, our perception of time, and our measurement of time, is only unique to Humans on Earth.

New experiences really do seem to be longer in the memory than familiar ones. It’s called the “oddball effect”, and it seems to be why time feels like it’s going faster as you get older – because more stuff is familiar to you.

Oddball Paradigm is an experimental design used within psychology research. Presentations of sequences of repetitive stimuli are infrequently interrupted by a deviant stimulus. The reaction of the participant to this "oddball" stimulus is recorded.

Take a day off, take a break, pause, unwind, regroup and relax.

Meditation - Awareness - Adventure

Timeline is a project artifact. It is typically a graphic design showing a long bar labeled with dates alongside itself.

Units of Time

A second isn’t what you think it is. Scientifically, it’s not defined as 1/60th of a minute, but as “the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom”.

The Strontium Clock would neither gain nor lose one second in some 15 billion years.

Slave Clock is a clock that depends for its accuracy on another clock, a master clock. Many modern clocks are synchronized, either through the Internet or by radio time signals, to a worldwide time standard called Coordinated Universal Time (UTC) based on a network of master atomic clocks in many countries.

Europe's standard electrical frequency of 50 hertz has fallen ever so slightly to 49.996 hertz. For electric clocks that rely on the frequency of the power system — typically radio, oven and heating-panel clocks — the cumulative effect was close to six minutes.

Utility Frequency is the nominal frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power station to the end-user. In large parts of the world this is 50 Hz, although in the Americas and parts of Asia it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world. During the development of commercial electric power systems in the late 19th and early 20th centuries, many different frequencies (and voltages) had been used. Large investment in equipment at one frequency made standardization a slow process. However, as of the turn of the 21st century, places that now use the 50 Hz frequency tend to use 220–240 V, and those that now use 60 Hz tend to use 100–127 V. Both frequencies coexist today (Japan uses both) with no great technical reason to prefer one over the other and no apparent desire for complete worldwide standardization. Unless specified by the manufacturer to operate on both 50 and 60 Hz, appliances may not operate efficiently or even safely if used on anything other than the intended frequency. In practice, the exact frequency of the grid varies around the nominal frequency, reducing when the grid is heavily loaded, and speeding up when lightly loaded. However, most utilities will adjust the frequency of the grid over the course of the day to ensure a constant number of cycles occur. This is used by some clocks to accurately maintain their time. (also known as power line frequency in American English or mains frequency in British English).

The smallest standard scientific measure of time is the “Planck time”. It takes you about five hundred and fifty thousand trillion trillion trillion Planck times to blink once, quickly.

Time is measured by one complete Orbit around our Sun, which is called one Year. A 12 month calendar, which equals one year (365 Days, or 365 Earth Rotations), is an incremental tool which divides one earth orbit around our sun into Months and Days. Time is also measured by one complete rotation of the earth, which is called one day. A 24 Hour Clock is an incremental tool that divides one rotation of the earth into Seconds, Minutes and Hours. Time is also measure by Carbon Decay, which is then calculated into how many earth orbits around the Sun.

Can I make up for lost time?

Humans have a startling accurate sense of time, particularly when younger. The mechanism we use for this seems to be a distributed system involving the cerebral cortex, cerebellum, and basal ganglia. Long term time keeping seems to be monitored by the suprachiasmatic nuclei (responsible for the circadian rhythm). Short term time keeping is handled by other cell systems.

"Tomorrow is not a mystical land where 99% of all human productivity, motivation and achievement is stored, that's today, so why wait?"

Don’t say "I don’t have enough time". You have exactly the same number of hours per day that everyone else has, well almost everyone. Instead of saying "I don't have the time", you could say, "I currently have other responsibilities and other people are counting on me to fulfill those responsibilities, but when those commitments change, I would like to know more about what you do, as well as the ways that I could help you".

American Time Use Survey: How people spend their Time - PDF

Where our Time Goes (Info-graphic)

Time Management is an extremely important tool when it comes to planning and predicting. But we cannot allow time to dictate and control all of our actions all of the time, if we did, we would disconnect from ourselves and reality, and become more machine like then human. We have to relax and connect to our inner self a couple of times a day. We have to separate our external time from our internal time. We need time to ourselves, where time has no meaning, and our mind is free to wander.

Procrastination - Routines

“Better late than never, but never late is better” 

Songs About Time

Time In A Bottle: Jim Croce, 1973 (youtube)
Pink Floyd - Time (youtube)
Chicago - Does Anybody Really Know What Time It Is? (youtube)
The Byrds - Turn! Turn! Turn! (youtube)
Time Won't Let Me - The Outsiders (youtube) - I can't wait forever, even though you want me to.
Its Now or Never - Elvis Presley 1960 - Tomorrow will be too late, it's now or never, My love won't wait. So don't procrastinate.
Too Much Time On My Hands - Styx (youtube) - Having too much time is impossible, the same goes for Boredom.
Hazy shade of Winter - The Bangles (youtube)
Time Has Come Today (Chambers Brothers-Long Version) with no cuts to song (youtube)

"You don't want to rush into things, and you don't want to move too slowly either."

"Even a stopped clock is right twice a day, but how would you know which two times during the day the clock was right when you don't have a clock that works?"

Action Physics

"Even when I'm doing all the things that I can, I still feel sometimes like I'm not doing enough, like there's another level of productivity that I haven't reached yet, where time management becomes more machine like, where every minute is correctly, effectively and efficiently calculated and divided up in a way that I can complete as many tasks that I can in one day. But I must do this without having time interfere with life, or have time interrupt life, or have time diminish life. So within that machine like management of time there has to be time set aside to just think and reflect, or you may risk not having a life, and not feel alive, or even feel human."

Time is of the Essence means that time is an important, crucial and significant feature of a thing that is essential to a particular action or response, and failure to complete the required performance by a certain time or date will cause unnecessary consequences and maybe even suffering. Haste is sometimes necessary, Haste not Waste. Though going to fast sometimes does increase the risks, vulnerabilities and mistakes. So go as fast as you possibly can while being safe as you possibly can.

Hast is a condition of urgency making it necessary to hurry and move fast at a high rate of speed. Taking a Break.

Essence is the choicest or most essential or most vital part of some idea or experience. The central meaning.

"There are many things in my life that I am not totally in control of. Even though I am getting better at controlling things in my life, I am still not in control of everything. I prioritize, but I have to learn how not to ignore things that still may be important. So I have to learn how to spend some more time on the lower priorities in my life, because they still may have significance. How many things do I need to be in control of in my life in order to feel that I am in control of my life? Without turning into a Control Freak or becoming a Perfectionist."

Focus - Awareness

If you live to be 100 years old you'll live 876,000 hrs. in your life. Minus 300,000 hrs. sleeping, minus 73,000 hrs. eating, minus 120,000 hrs. working, minus 20,000 hrs. of school and so on. That leaves you less then 400,000 hrs. to do what you want, that's if you live to 100 in good health?

Other things happening in your life - What's the Meaning of Life?

Daylight Saving Time is the practice of advancing clocks during summer months by one hour so that evening daylight lasts an hour longer, while sacrificing normal sunrise times. Typically, regions with summer time adjust clocks forward one hour close to the start of spring and adjust them backward in the autumn to standard time.

Can you really turn back time?

Studies show that there is an increase in both heart attacks and road accidents the days after clocks are set forward one hour in Spring. Losing one hour of sleep disrupts the Body Clock. Being tired can decrease productivity, concentration and general well-being. Children may feel tired and cranky for several days after an hour's change in their bedtime routines. There doesn't seem to be any health benefits to daylight savings time, so what do we need it for? And do the reasons out weigh the adverse effects.

Value of Time is the opportunity cost of the time that a traveller spends on his/her journey. In essence, this makes it the amount that a traveller would be willing to pay in order to save time, or the amount they would accept as compensation for lost time.

Are we frozen in time, or are we moving?
Let go of the concept of time as if time did not exist. Now imagine the past, the present and the future being the same thing, occupying the same space. Now look out at the stars at night, you see the past, the present and the future, all at the same time. Now stay there for a moment, think, experience life without time.....can you explain it?

Suspended Animation is the slowing or stopping of life processes by exogenous or endogenous means without termination. Breathing, heartbeat, and other involuntary functions may still occur, but they can only be detected by artificial means.

Time (poem)
Time can be seen and time can be felt.
Through the years of changes our world has endured,
through the changes we experience in ourselves.
Measured by moments and the rising of our Sun,
it's the one thing we can be thankful for when the day is done.

"We have all had moments where we have helped someone in need, maybe saving someone's life, and we remember how great we felt because we know we did something that was needed, something that was special, because we know how important help can be to someone in need. I'm in one of those moments right now, except this is one big moment, a much larger picture, a moment stretching many lifetimes and encompassing many moments in time, eons. Except this type of time is not measured by our sun, this time stretches across the universe. Time on earth has been slowed down, giving humans a chance to see and experience life in a unique way. But our experience of time is only unique to earth. Beyond our planet time takes on a whole new meaning where time is not measured in seconds, hours, days or years, in fact it's not a measurement at all, time is something that is felt and experienced, which transcends all definitions of time and our understanding of what time is. It is the ultimate moment."

I don't dream about the future, the future dreams about me, and the future is smiling. The past is also smiling, because the past knows how far I've come and also sees what I'm doing now. We're halfway home.

Broken Social Scene "Halfway Home" (youtube)

The Thinker Man