Who uses the 24 hour clock?

Consequently, where is 24 hour clock used?

The 24 hour clock is commonly used in some specialist areas like hospitals, tourism, military and other places where the 12 hour notation ambiguities can be considered too troublesome or dangerous. For military purposes, the two major forces—Britain and the Unites States– have agreed to improvise the 24 hour format.

One may also ask, why do people use the 24 hour clock? The purpose of a 24hr clock is to tell the time. The reason it is favoured over a 12hr clock is that it unambiguously labels the hours. There can be no mixup between 5am and 5pm for example, because there is no 'am' or 'pm', there is only 0500 hours and 1700 hours.

Then, do any countries use 24 hour clock?

No countries routinely use an analog clock with 24 hours on the face, like this: 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.

Who first used the 24 hour clock?

ancient Egyptians