Am and pm full form: AM and PM are abbreviations of Latin

AM and PM are abbreviations of Latin phrases that indicate whether it is before or after midday in the 12-hour clock format. Learn the history, issues, writing rules, and conversion of AM and PM with examples and references. AM stands for ante meridiem, meaning before noon, and PM stands for post meridiem, meaning after noon. Learn how to use these abbreviations correctly in the 12-hour clock system and how to convert them to the 24-hour format. Ante Meridiem and Post Meridiem is the full form of AM and PM respectively. Read more to know about AM and PM . AM and PM Full Form – What is the Full Form of PM ? PM stands for “post meridiem,” which is a Latin phrase that means “after noon.” It is used to indicate the time of day after midday, between 12:00 PM and 11:59 PM . The term “post” means “after,” and “meridiem” means “midday” in Latin. So, PM literally translates to “after midday.”