# Question: Why Do We Use 24 Hour Time?

## Why do some countries use 24 hour time?

But most countries, excepting the United States and perhaps a few others, specify the time in 24-hour form on things like bus and railroad timetables, and hours that shops are open.

It just avoids confusion and means that you don’t have to print “AM” and “PM” on everything..

## How long is 24hrs?

¿How many d are there in 24 h ? In 24 h there are 1 d . Which is the same to say that 24 hours is 1 day.

## What time is 23 59 pm?

11:59 PMMilitary Time 2359 is: 11:59 PM using 12-hour clock notation, 23:59 using 24-hour clock notation.

## Does China use 12 or 24 hour clock?

Both the 12-hour and 24-hour notations are used in spoken and written Chinese. To avoid confusion, time on schedules and public notices are typically formatted in the 24-hour system, so the times 19:45 and 07:45 are understood to be 12 hours apart from each other.

## What is the purpose of 24 hour time?

The 24-hour clock is commonly used there only in some specialist areas (military, aviation, navigation, tourism, meteorology, astronomy, computing, logistics, emergency services, hospitals), where the ambiguities of the 12-hour notation are deemed too inconvenient, cumbersome, or dangerous.

## What time is 22 in military?

10:00 pmMethod 2 – Use This Chart To Convert 24 Hour Time12-hour am-pm clock24-hour military time7:00 pm19:008:00 pm20:009:00 pm21:0010:00 pm22:0021 more rows

## What’s 12am in 24 hour time?

24-Hour Time Formatam/pm24-hour9pm21:0010pm22:0011pm23:0012am24:0022 more rows

## Why is 60 minutes an hour?

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.

## What percentage is 2 hours out of 24?

8.333333333333%Convert fraction (ratio) 2 / 24 Answer: 8.333333333333%

## Does Russia use 24 hour clock?

In Russian, you can use both the 12-hour and the 24-hour clock systems. The 12-hour system is common in everyday conversation, while the 24-hour system is used in formal settings, such as official documentation or news broadcasts.

## What time is 15 30 in military?

03:30 PMMilitary Time 1530 is: 03:30 PM using 12-hour clock notation, 15:30 using 24-hour clock notation.

## Why don’t we use 24 hour time?

The 24 hour clock confuses many people; airlines use whatever clock tends to confuse fewest travellers in the countries they are operating in. The 24 hour clock confuses many people; airlines use whatever clock tends to confuse fewest travellers in the countries they are operating in.

## How many hours are in 2 hours?

Hours to Minutes Conversion TableHoursMinutes1 Hour60 Minutes2 Hours120 Minutes3 Hours180 Minutes4 Hours240 Minutes20 more rows

## Who uses AM PM?

Most countries around the world today use the 24-hour system. However, the 12-hour format, including am and pm, is officially used in a number of countries, including the United States, Canada (except Québec), Australia, New Zealand, and the Philippines.