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PM = Post meridiem: After noon. Using numbers from 1 to 12, followed by am or pm, the 12-hour clock system identifies all 24 hours of the day. For example, 5 am is early in the morning, and 5 pm is late in the afternoon; 1 am is one hour after midnight, while 11 pm is one hour before midnight.
Oct 3, 2019 · P.m. is an abbreviation of post merīdiem, meaning—you guessed it—“after midday.” These two terms help keep ambiguity at bay in the 12-hour time system. What does m. mean? There is a third, lesser-known abbreviation in this system: m. From the Latin merīdiēs (“midday”), it means “noon.”
The meaning of AM and PM is the simple abbreviation of Latin phrases. 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 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.
Since AM (ante meridiem) means before noon, 8 AM refers to 8 o'clock in the morning, whereas, PM (post meridiem) means afternoon so it refers to any time after midday till midnight. Thus, 8 PM refers to 8 o'clock in the late evening or night.
Feb 3, 2024 · Meaning. Ante Meridiem (before noon) Post Meridiem (after noon) 8. Time Range. Midnight (00:00) to just before noon (11:59) Noon (12:00) to just before midnight (23:59) 6. Typical Associations. Morning activities, breakfast time. Afternoon and evening activities, dinner time. 9. Usage Example.
Dec 16, 2022 · The abbreviation a.m. is short for the Latin ante meridiem, meaning "before noon," referring to the chunk of time from midnight until noon. The abbreviation p.m. is short for the Latin phrase post meridiem , which means "after noon."
