AD and BC are used to label or number years. AD stands for Anno Domini. It refers to all of time that has passed after the Birth of Christ, whereas BC stands for Before Christ; it refers to all of time that...

One minute is a unit of time that refers to 60 seconds or, alternately, one sixtieth of an hour. The minuet is a type of slow dance that was quite popular in France during the eighteenth century.

AM stands for ante meridiem, which means before midday, while PM stands for post meridiem, which meansafter midday. Hence, from 12:00 (midnight) to 12:00 (noon), the time is written as AM, while from 12:00 (...

The words Eon and Era can create quite a bit of confusion about them being the same. However, Eon is an indefinite period of time that is divided into many Eras, which in turn recognize certain periods of time...