Pm meaning: AM stands for Ante Meridiem

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. The meaning of AM and PM is ‘Ante Meridiem’ and ‘Post Meridiem’, which means before noon or midday. We associate P.M . with the afternoon and evening. P.M . is an abbreviated term for ‘Post Meridiem,’ which implies afternoon or after midday. In a 12-hour clock, these are used as time indications centered around noon. 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. So what is am & pm? First of all, what do am and pm actually mean ? Both come from Latin originally: am = ante meridiem (between midnight and midday) pm = post meridiem (between midday and midnight) So returning to the question about the difference between 8am and 8pm: 8am is in the morning, and 8pm is in the evening.