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El uso de las abreviaturas a. m. y p. m. permite distinguir la franja del día a la que corresponde una hora cuando se usa el sistema de doce horas y no el de veinticuatro.
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 abbreviations am and pm derive from Latin: AM = Ante meridiem: Before noon; 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.
Definition of a.m. abbreviation in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday") and p.m. (from Latin post meridiem, translating to "after midday").
3 de oct. de 2019 · What does a.m. mean? The term we associate with the morning, a.m., is an abbreviation of the Latin phrase ante merīdiem meaning “before midday.” What does p.m. mean? 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 ...
3 de feb. de 2021 · Follow these generally accepted guidelines to use a.m. and p.m. (or AM and PM) correctly in formal writing: Use the abbreviations a.m. and p.m. to indicate exact time. Use a.m. to refer to a time of day before noon, and p.m. to speak of a time between noon and midnight.
