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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. 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 …

  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 | English meaning - Cambridge Dictionary

    AM definition: 1. I form of be: 2. used when referring to a time between twelve o'clock at night and twelve…. Learn more.

  6. AM or a.m., PM or p.m.: Do I Capitalize AM and PM?

    When emphasizing an exact or precise time, the abbreviations “a.m.” and “p.m.” are used. These two abbreviations stand for the Latin terms “ante meridiem” and “post meridiem,” which literally …

  7. 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.

  8. am, pm or a.m., p.m. | Online English Usage Dictionary

    Separate the abbreviations from their number with a non-breaking space. The abbreviations stand for ante meridiem (before noon) and post meridiem (after noon) and are used strictly with …

  9. 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.

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

    In English, AM and PM are abbreviations used to divide the 24 hours of the day into two 12-hour periods on the 12-hour clock system. These labels help distinguish between morning and …