It is a 12-hour clock. The first 12 hours of the day, from midnight to midday, are called am. The next 12 hours, from midday to midnight, are called pm. However, you can tell the time without ...

Ambiguity behind 12 pm or Noon in 12 Hours clock It is incorrect to say 12 pm or 12 am, since it is not after or before noon. So it is recommended to denote these hours as midnight and noon.

Explore time by using the clock controls to change and match times on analogue and digital clocks. Explore 12-hour time and the passing of time from am to pm. Match clock times to the time ...

AM and PM Full Form: Back in time, people used the dark and light contrast in a 24 hour cycle to figure out the time. The position of the sun in the day helped in determining the time and the ...

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 ...