## How do you read 24 hour time in words?

In the 24-hour format, midnight has two designations, 0000 and 2400 :
1. If your day begins at midnight, you use 0000 in military time, pronounced “zero hundred hours.”
2. If your day ends at midnight, you end your day at 2400 , pronounced “24 hundred hours.”

## What is the easiest way to calculate 24 hour time?

For a military time that is larger than 12:00, just subtract 12 hours to get the 24 hour(standard time), then add “pm”. For example, if you have 14:30 hours, subtract 12 hours and the result is 2:30 pm. If the military time is less than or equal to 12:00, simply add “am”.

## What is the correct way to write 24 hour time?

A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of full minutes that have passed since the last full hour, and ss (00 to 59) is the …

## How do the British pronounce military?

Below is the UK transcription for ‘military’:
1. Modern IPA: mɪ́lətrɪj.
2. Traditional IPA: ˈmɪlətriː
3. 3 syllables: “MIL” + “uh” + “tree”

## How do you say 2100 in military time?

9:00 p.m. — 2100 hrs.

## How is midnight written in 24 hour time?

The 24-hour clock uses the numbers 00:00 to 23:59 (midnight is 00:00).

What are the 12-hour and 24-hour clock?
12-hour clock 24-hour clock
11pm 23.00
12 midnight 24.00

## How do you explain 24 hours in a day?

Our 24-hour day comes from the ancient Egyptians who divided day-time into 10 hours they measured with devices such as shadow clocks, and added a twilight hour at the beginning and another one at the end of the day-time, says Lomb.

## How does 24-hour time work?

A time in the 24-hour clock is written in the form hours:minutes (for example, 01:23), or hours:minutes:seconds (01:23:45). … Under the 24-hour clock system, the day begins at midnight, 00:00, and the last minute of the day begins at 23:59 and ends at 24:00, which is identical to 00:00 of the following day.

## What is 24 hours 6pm?

24-Hour Time Format
am/pm 24-hour
4pm 16:00
5pm 17:00
6pm 18:00
7pm 19:00

## How long does 24 hours last?

Besides the day of 24 hours (86,400 seconds), the word day is used for several different spans of time based on the rotation of the Earth around its axis. An important one is the solar day, defined as the time it takes for the Sun to return to its culmination point (its highest point in the sky).

## How many minutes are in a 24 hour day?

24 hours * 60 minutes = 1,440 minutes in 24 hours. There are 60 seconds per 1 minute.

## Why are there 24 hours in a day kids?

We get day and night because the Earth spins (or rotates) on an imaginary line called its axis and different parts of the planet are facing towards the Sun or away from it. It takes 24 hours for the world to turn all the way around, and we call this a day.

## What is 12 AM in 24-hour time?

Another convention sometimes used is that, since 12 noon is by definition neither ante meridiem (before noon) nor post meridiem (after noon), then 12am refers to midnight at the start of the specified day (00:00) and 12pm to midnight at the end of that day (24:00).

## Are all days 24 hours?

Day Length

On Earth, a solar day is around 24 hours. However, Earth’s orbit is elliptical, meaning it’s not a perfect circle. That means some solar days on Earth are a few minutes longer than 24 hours and some are a few minutes shorter. … On Earth, a sidereal day is almost exactly 23 hours and 56 minutes.

## Why is a day 24 hours on Earth?

Owing to its revolution around the Sun, the Earth must rotate approximately 361° to mark a solar day. Over the course of a 365-day year, the Sun appears to move not only up-and-down in the sky, as… … That extra rotation takes 235.91 seconds, which is why our solar day is 24 hours on average.

## Does India use 24hr clock?

9) Eighteen (18) Countries use the 12-hour clock: Australia, Bangladesh, Canada, Colombia, Egypt, El Salvador, Honduras, India, Ireland, Jordan, Malaysia, Mexico, New Zealand, Nicaragua, Pakistan, Philippines, Saudi Arabia and U.S. (although the military uses the 24-hour clock).

## What is 9pm in military time?

Military Time Clock Conversion
Military Time Standard Time
2000 8:00 PM
2100 9:00 PM
2200 10:00 PM
2300 11:00 PM

## Why are there 60 seconds in a minute and not 100?

Who decided on these time divisions? THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy. They derived their number system from the Sumerians who were using it as early as 3500 BC.

## Who created time?

The measurement of time began with the invention of sundials in ancient Egypt some time prior to 1500 B.C. However, the time the Egyptians measured was not the same as the time today’s clocks measure. For the Egyptians, and indeed for a further three millennia, the basic unit of time was the period of daylight.

## Who invented the 24 hour clock?

However, it was the Egyptians who were the first to use the 24 hour time period. Their system evolved around the time it took certain constellations to pass through the sky, eventually giving rise to a 360 day year. In those early days, that method of tracking time made use of what are called temporal hours.

## Why did the Babylonians use base 60?

“Supposedly, one group based their number system on 5 and the other on 12. When the two groups traded together, they evolved a system based on 60 so both could understand it.” That’s because five multiplied by 12 equals 60. The base 5 system likely originated from ancient peoples using the digits on one hand to count.

## Why are there 12 hours on a clock?

The 12-hour clock can be traced back as far as Mesopotamia and ancient Egypt. … The Romans also used a 12-hour clock: daylight was divided into 12 equal hours (thus hours having varying length throughout the year) and the night was divided into four watches.

## Why is time counted 60?

The Babylonians made astronomical calculations in the sexagesimal (base 60) system they inherited from the Sumerians, who developed it around 2000 B.C. Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers …