For example, 1:00 AM is written as 0100 hours, while 1:00 PM is written as 1300 hours. Also called the "24-clock," the format is commonly used in industries and professions worldwide in which 24 ...

AM and PM Full Form: Back in time ... used by the clockmakers to build their new technology. The first mechanical clock was invented in Europe for the medieval clock towers, and it was a 24 ...

During daylight saving time, clocks are one hour ahead of standard ... DST would be 11:00 PM ST 1:00 AM DST would be Midnight ...

Long and short vibrations indicate hours and minutes respectively. Hours are given on a 12-hour scale (six o'clock am/pm is six long vibrations) while each short beat indicates a five-minute ...

People often see AM and PM on the digital clock but never tried to decipher “why such abbreviation is used to denote time period?” AM stands for Ante Meridiam whereas PM stands for Post Meridiam.

So, do you know what 'am' and 'pm' really stand for? The 12-hour clock divides the 24-hour day into two periods. 'Am' is the time before noon, and stands for 'ante meridium'. This is a Latin ...