AM and PM reflect where the sun is while crossing the meridian line. Because of this, experts urge people to use the phrases "AM or PM" and "12 noon" or "12 midnight" to indicate the sun's ...

If you've spent years thinking you know what AM and PM mean, you could be wrong. Here's why. People have been left amazed after learning the history behind the abbreviations. While it should not ...

AM (Ante Meridiem) means before noon; PM (Post Meridiem) means after noon. Learn the Latin origins, history of 12 vs 24-hour clocks, and why we still use AM & PM today.

People are just figuring out what AM and PM stands for later years thinking they knew what it meant. Internet users have been left amazed after learning the history behind the abbreviations.

In fact, am stands for the Latin ante meridiem, which translates to "before midday", meaning the hours in the day before noon. Meanwhile, pm stands for post meridiem or "after midday", any time ...