Why it is not necessary to write AM or PM in the 24 hour clock system?

Does a 24-hour clock have AM and PM?

First there’s the 12 hour clock that uses AM and PM, and then there’s the 24 hour clock. Most countries prefer the 24 hour clock method, but the 12 hour clock is widely used in Latin America and English-speaking countries. In the 12 hour clock method, it is 12:00 twice a day at midnight (AM) and noon (PM).

What are the advantages of using a 24 hour system as opposed to using AM and PM?

The reason airlines, public transit and the armed forces use 24-hour “military” time is to avoid confusion between a.m. and p.m. hours. You can take the same approach with your cell phone’s clock settings to avoid accidentally setting your morning alarm at an afternoon hour.

What time is 1 pm in military time?

Military Time Conversion Chart

Military Time Standard Time
Military Time Standard Time
1200 12:00 PM / Noon
1300 1:00 PM
1400 2:00 PM

How do you say 12 pm in military time?

Midnight (12:00 a.m.) — 0000 hrs.

What does 16 mean in time?

24-hour clock

24-hour clock 12-hour clock
14:00 2:00 p.m.
15:00 3:00 p.m.
16:00 4:00 p.m.
17:00 5:00 p.m.
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Who invented 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.

What’s 12am in 24 hour time?

24-Hour Time Format

am/pm 24-hour
12am (midnight) 00:00
1am 01:00
2am 02:00
3am 03:00

Why 24 hour clocks are better?

While using the 24 hour system, when it’s eight o’clock, it’s eight o’clock. No need to ask or specify which eight it is: AM or PM. This eliminates any ambiguity related to repeating times in the 12 hour system. Much of the world uses 24 hour time, in part due to this simplicity.