AM means before noon. This is the 12-hour period from midnight to noon. PM means after noon. It covers the 12 hours from noon to midnight. Using numbers from 1 to 12, followed by am or …

The first is referred to as am, which stands for ante meridiem, “before midday” in Latin, while the second is referred to using pm, meaning post meridiem, or “after midday.” This nomenclature …

Jul 2, 2025 · These abbreviations come from Latin. “a.m.” is short for ante meridiem, meaning “before midday.” “p.m.” stands for post meridiem, or “after midday.”

May 20, 2025 · The abbreviation p.m. stands for post meridiem, meaning “after noon” or “after midday.” This applies to all times from 12 p.m. to 11:59 p.m. While the origin of the terms can …

Oct 3, 2019 · P.m. is an abbreviation of post merīdiem, meaning—you guessed it—“after midday.” These two terms help keep ambiguity at bay in the 12-hour time system. What does m. mean? …

In particular, AM stands for ante meridiem, which translates into English as ‘before midday’. Meanwhile, PM is post meridiem and means in English ‘after midday’. These abbreviations are …

P.M. definition: 1. used when referring to a time in the afternoon or evening or at night: 2. abbreviation for…. Learn more.

The abbreviations a.m. and p.m., sometimes written as AM and PM, are used to differentiate times in the first half of the day from times in the second half of the day.

Jun 3, 2025 · AM and PM stand for “ante meridiem” (before midday) and “post meridiem” (after midday). In parts of the world with a 12-hour time system, people use “a.m.” or “p.m.” to clarify …

AM and PM are the abbreviated terms for Ante Meridiem and Post Meridiem respectively. While AM represents the time from midnight to 11:59 noon, and PM represents the time from 12 …