Time Calculator



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Time Calculator

Time is a concept that is well known to most of us, yet highly complex to define. Physics defines time as a basic physical quantity that can be measured using the unit termed as ‘second’.

Basics of Time Measurement

Keeping it simple to understand, time is what ‘a clock measures’. We all know that clocks are designated in hours, minutes and seconds. Though, many scientific clocks and those used in research purposes measure far beyond to up to milliseconds or nanoseconds too, let us understand the concepts of time measurement in simple terms before exploring it further.

It has been an accepted standard that a ‘day’ is the time between the passage of Sun over a given imaginary line passing through the earth. This is normally 24 hours and is calculated as ‘One Solar Day’ or simply a ‘day’. So, 1 day = 24 hours

Now, what are these hours? When we say a day has 24 hours, it is implied that an hour is 1/24th of a day, isn’t it! Okay, a better explanation is here:

An ‘hour’ consists of ’60 minutes’. And what are these minutes? A minute is exactly ’60 seconds’. Now what is a ‘second’? It is the standard unit of measurement of time as per the SI system. SI system defines a ‘second’ "the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyper fine levels of the ground state of the cesium-133 atom" (at a temperature of 0 K).

Time Conversions
1 Day 24 Hours
1 Hour 60 Minutes
1 Minute 60 Seconds
“For every minute you are angry, you lose 60 seconds of happiness.”

Imagine working with multiple days, hours, minutes and seconds?? That will be definitely take up lot of time, isn’t it? So by now you must have understood that working with time will take up your time! Fret not! You can easily add days, hours, minutes, and seconds using our calculator.

How To Use Our Calculator

For this just enter the values of days, hours, minutes and seconds in the fields shown and click ‘Calculate’. You can get the answer instantaneously. It is as simple as that! Note that if you do not enter any value, it is taken as zero (0) by default.

Fascinating Concept of Time

  • The concept of time is always relative – relative to the speed and distance between the sun and the location where the time is measured. It means, time varies with planet. For example, a day on earth is 24 hours, while a day on Mercury is two years long!
  • If you are an early bird proud of waking up sharp at the onset of Sun’s first ray, you are probably mistaken! Sun’s rays reach the Earth after a time gap of 8 minutes 20 seconds they have started from the Sun. It means you are 8 minutes 20 seconds late than the Sun’s first ray!!
  • Since the days when time measurement began, many instruments such as sun dials, water clocks, and hour glasses were used to measure time. Candles and incense sticks too served people in measurement of time in the very olden days.
  • The modern device ‘clock’ came into usage since the invention of pendulum clocks and mechanical clocks in the 13th century.
  • We have seen during the time measurement basics that a day equals 24 hours. But to be precise, 23 hours 56 minutes and 4.2 seconds make a day! (Now imagine how tough it would be to perform calculations on time, if this were the value in daily use!)
  • If you are tired of adjusting your wall clock or wrist watch every time it runs slow, probably you should think of using a strontium atomic clock. This clock is the most accurate one ever built and makes an error of one second for every 15 billion years!
Time moves only forward and a second lost is lost forever. Use your time wisely and benefit from our calculator to save your precious time. Your greatest resource is your TIME.
– Brian Tracy

Will time ever end?? Scientists differ in their ideas; some theoretical physicists say that in the next four billion years, time will end!! However, the theory of relativity says that universe will keep expanding infinitely. So, only time will say whether time will come to an end or not! What say??

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