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  1. AM and PM: What Do They Mean? - timeanddate.com

    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 …

  2. 12-hour clock - Wikipedia

    This eventually evolved into the two 12-hour periods which are used today, one called "a.m." starting at midnight and another called "p.m." starting at noon. [1] The 12-hour clock can be …

  3. AM Definition & Meaning - Merriam-Webster

    The meaning of AM is present tense first-person singular of be.

  4. AM and PM - Meaning, Full Form of AM PM | Relation with 24 …

    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 …

  5. AM Definition & Meaning | Dictionary.com

    Am definition: 1st person singular present indicative of be.. See examples of AM used in a sentence.

  6. What Do AM and PM Mean? Definition, Examples, Facts.

    We can use any abbreviation, including am, a.m., AM, or A.M., to denote the ante meridiem. On the other hand, pm, p.m., PM, or P.M. is the abbreviation for post meridiem.

  7. What do AM and PM mean? - World Time Clock & Map

    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 …

  8. What Do AM and PM Stand For? - Britannica

    The abbreviation am stands for ante meridiem, “before midday” in Latin, while pm means post meridiem, or “after midday.” The concept of a 12-hour clock has been around since ancient times.

  9. AM and PM in English: Meaning, Usage, and Examples

    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 …

  10. Am Pm: Definition and Example - EDU.COM

    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 …