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# What is a 24-hour clock?

## What is a 24-hour clock?

The 24-hour clock is a way of telling the time in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 0 to 24. It does not use a.m. or p.m.

### What is the 24 hour time format?

The 24 hour clock is a convention of keeping time where the day typically runs from midnight – midnight and it’s divided into twenty-four hours. The clock starts at 00:00 (that is, midnight) and it indicates the hours that have passed since then (that is, from 0 to 24). Time in the 24 hour time format is normally written in form

What is the difference between 12 hour time and 24 hour time?

AM hours are the same in 24-hour time format as in 12-hour time format and are counting from 0 to 12 The 24-hour clock contains four digits, the first two digits belong to hours and the second ones to minutes This knowledge helps with the understanding of 24-hour time and its conversions.

What time does the day start and end in 24 hours?

In 24 hour time, the day always begins at 00:00 and the last minute of every day begins at 23:59. However, when it is appropriate, the expression 24:00 is used to describe the end of the beginning of the day. Just keep in mind that 00:00 and 24:00 are the exact same time when referring to 24-hour time notation.

## How do you write hours on a 24-hour clock?

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). Numbers under 10 usually have a zero in front (called a leading zero); e.g. 09:07. 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,

### What is the last minute of the day on a clock?

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 are the advantages of the 12-hour clock system?

Advantages over the 12-hour clock system: 1 Fewer confusions between morning and evening; e.g. 7 o’clock in the evening is called 19:00. 2 People do not have to figure out if noon is 00h00.m.24 or 12hmr to calculate duration. More