Which is better 24 hour time or 12 hour time?

The 12-hour clock runs from 1am to 12 noon and then from 1pm to 12 midnight. 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?

Why do we use 12-hour clock instead of 24?

Anyway, as near as I can tell, the 12-hour clock goes way back to ancient Mesopotamia and Egypt. The Egyptians used a 12-hour sundial to tell time during the daytime and a 12-hour water clock at night. Early mechanical clocks showed all 24 hours, but over time, clockmakers found the 12-hour system simpler and cheaper.

Why you should use 24 hour time?

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 are the advantages of 12-hour clock?

With a 12-hour shift schedule, there are only two shift turnovers per day, resulting in fewer opportunities for miscommunications and production disruptions that may occur during shift changeover periods. This can translate into increased productivity, along with lower error and accident rates.

Where do we use 12-hour clock?

The majority of analog clocks and watches in use today use the 12-hour clock. Phrases of referring to time periods where the 12-hour clock is common include night time, morning time, afternoon time, and evening time.

Who uses 12-hour 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 a 12-hour clock called?

ante meridiem
The 12-hour clock is a way of dividing the 24 hours of the day into two sections. The two halves are called ante meridiem (a.m.) and post meridiem (p.m.). Both names are from Latin, and numbered from 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11….12-hour clock.

Why do we have 24 hours in a day?

The reason for 24 hours in a day appears to be a 6000 year old counting system developed during the Sumer civilization.Sumerians didn’t count by the whole finger but by each individual knuckle (joints). They used the thumb to count the joints.

Why does the military use a 24 hour clock?

The US military uses a 24 hour clock to avoid confusion. When times are given using the 12 hour clock, it is necessary to also give AM or PM to designate before or after noon. With the 24 hour clock it is not necessary. How do you set a Ford Ranger clock?

Why do we have 12 hours of daylight a day?

The original sundials used by the ancient Egyptians divided the daylight hours into 6 before noon daylight hours and 6 afternoon daylight hours (accomplished by physically rotating this shadow clock at high noon): That is why we have “12” hours of daylight. Making the night symmetric gives us 24 hours total per day.