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 pm, the …

Oct 3, 2019 · What Do “A.M.” And “P.M.” Stand For? October 3, 2019 What does a.m. mean? The term we associate with the morning, a.m., is an abbreviation of the Latin phrase ante merīdiem meaning …

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 used to identify …

Jul 2, 2025 · Turns out, the answer goes back to ancient Rome and the way they watched the sky. Quick insight: a.m. means “ante meridiem” or “before midday.” p.m. means “post meridiem” or “after …

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 noon to 11:59 …

Separate the abbreviations from their number with a non-breaking space. The abbreviations stand for ante meridiem (before noon) and post meridiem (after noon) and are used strictly with twelve-hour time.

The abbreviation a.m. stands for the Latin phrase ante meridiem, which means “before noon.”

AM and PM are common time expressions in English used in the 12-hour clock system. This guide explains their meaning, origin, and differences, shows how to write and pronounce them correctly, …

Morning hours are denoted with AM (from midnight to just before noon), while afternoon and evening hours use PM (from noon to just before midnight). Various abbreviations such as a.m., A.M., p.m., or …

Nov 6, 2025 · AM and PM are terms used to divide the 24 hours of a day into two 12-hour periods in the 12-hour clock system. AM , short for "Ante Meridiem," is a Latin term meaning "before noon." It refers …