AM and PM Full Form | AM PM Ka Full Form in Time | AM PM Meaning in English

Full Form Of AM and PM


 

 

AM is known as Ante Meridiem and PM is known as Post Meridiem. Today's world is depends on the two primary timekeeping systems that is 24-hours clock method and 12 hour timekeeping system. 24 hour time-keeping system is used in military time word and 12 hour timekeeping is very popular in the united states, Australia, Malaysia, New Zealand, Colombia, the Philippines, several regions of Canada and other countries. When sundial led is invented it is used for known morning and evening. It was invented in 1500 BC by Egypt.  Egyptians divided the day into 24 hour. That time sundial used to calculate the time. Am and PM used to differentiate 12  hours’ time zone in day and night. 24 hours time is divided into the two-section, Day and Night, Each section contain 12 hour time. The first 12 hour period from midnight to noon is known as AM and the 12 hour period from noon to mid-night is known as PM.

 

 

History Of AM and PM

The 12-hour clock system was used in the Mesopotamian era and ancient Egyptian eras. Egyptian use sundial to calculate the time they use water clock for the day and night. In most of the countries, 24-hour clock system is used and some countries used a combination of both countries. It is also believed that Egyptian use the Shadow clock that divided the day into 10 hours. The Egyptians would also add an hour to either side of this 10-hour period as the 'twilight hour'. Night and day were uneven in Egyptian times and they changed with the seasons. So in the summer, the days were longer and the nights got shorter - in winter the opposite happened.