Pm meaning: A

A.M. and P.M. are abbreviations of Latin phrases that indicate the time of day before or after midday. Learn how to use them correctly, when to capitalize them, and what m. means. AM stands for Ante Meridiem, while PM stands for Post Meridiem. Understand what is AM and PW and they work in a 12-hour and 24-hour clock system. Learn the meaning of AM and PM , the abbreviations for Ante Meridiem and Post Meridiem, and how to convert between 12-hour and 24-hour clocks. See examples, tips and practice questions on AM PM . Explore the definition of the word " PM ," as well as its versatile usage, synonyms, examples, etymology, and more.