Why is 24 hour time used?

Answer 1

It's simple.

Any who has played with a compass know that it is easy to divide a circle into 6 equal angles, then 12, then 24.

Early sundial makers took advantage of this.

Answer 2

24 hour time is used because it provides a clear and unambiguous way to represent any time of day without the need for AM or PM distinctions. It is commonly used in military, aviation, healthcare, and international settings for its simplicity and consistency.

Answer 3

24 hours is the amount of time it takes for the earth to spin in a circle. it takes 24 hours for the sun to get to the same spot.

Answer 4

That is how long it takes the earth to complete one revolution on its axis.

Answer 5

Because of the way it revolves and rotates. There is no advantage to this period, if it had a 14 or 36 hour rotation we would think it was normal.

Answer 6

Because it takes planet earth 24 hours to completely rotate on it's axis. If it were any faster or slower, we would be able to feel the earth itself spinning.

Answer 7

24 hours is an arbitrary measurement of time, selected a long, long time ago to represent the average (or mean) time that it takes for the Earth to rotate relative to the Sun.

Answer 8

That is how long it takes for the Earth to rotate fully all the way around on its axis.

Answer 9

Some ancient people decided to divide the day into 24 pieces of equal size, because they liked this number. The reason for that is that numbers like 12, 24 and 60 have many different factors.

Answer 10

24 hour time is used to reduce confusion.