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 midnight. Free shipping on millions of items. Get the best of Shopping and Entertainment with Prime. Enjoy low prices and great deals on the largest selection of everyday essentials and other products, including fashion, home, beauty, electronics, Alexa Devices, sporting goods, toys, automotive, pets, baby, books, video games, musical instruments, office supplies, and more. Discover a wide range of products, services, and features for a seamless shopping experience on Amazon. Learn what is am and pm in the 12-hour clock system. AM means before midday and PM means after. Master time telling with simple rules and examples. 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 the time in the 12-hour clock format instead of using 24 hours. The 24-hour clock is a method of telling the time in which the civil day runs from midnight until next midnight. The following numbers (used once in the same civil day) of hours are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 23, without AM nor PM. Learn the differences between AM/PM (12-hour) and 24-hour time systems, including their definitions, formats, and practical conversions. Master time representation with step-by-step examples and clear explanations of both formats. Newsradio KONP, Port Angeles. 11,199 likes · 1,128 talking about this. Get us on the radio at FM 101.7 & 101.3 and AM 1450, online at myclallamcounty.com The abbreviation a.m. stands for ante meridiem, a Latin phrase that means “before noon” or “before midday.” That’s why, in the 12-hour system, all times from midnight until noon get this. 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 12-hour clock system identifies all 24 hours of the day.