a.m.
A/h
Acryl crystal
Alarm Clock
Amplitude
Analog watch
Analogue display
Antimagnetic watches
Automatic Watch
A/h
Acryl crystal
Alarm Clock
Amplitude
Analog watch
Analogue display
Antimagnetic watches
Automatic Watch
a.m.
The Latin abbreviations a.m. and p.m. (often written am and pm; AM and PM; and A.M. and P.M.) are used in English and Spanish. In Albanian, the equivalents are PD and MD, in Greek they are ?µ; and µµ, and in Swedish (though in Sweden the 12-hour clock is nowadays rarely used) they are f.m. and e.m.. Most other languages lack formal abbreviations for before noon and after noon and their users use the 12-hour clock only verbally and informally. The 12-hour clock is a timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem (a.m., from Latin, literally before the middle of the day, idiomatically approaching midday) and post meridiem (p.m., past midday). Each period consists of 12 hours numbered 12 (acting as zero), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11. The a.m. period runs from midnight to noon, while the p.m. period runs from noon to midnight. The most common convention is to assign 12 a.m. to midnight (at the beginning of the day) and 12 p.m. to noon, defining both half days to have a closed (inclusive) beginning and open (exclusive) end. The phrases 12 noon and 12 midnight (or simply noon and midnight) can more clearly express these times (except that for midnight one may need to also specify whether it is the midnight at the beginning or the end of the day in question).
The Latin abbreviations a.m. and p.m. (often written am and pm; AM and PM; and A.M. and P.M.) are used in English and Spanish. In Albanian, the equivalents are PD and MD, in Greek they are ?µ; and µµ, and in Swedish (though in Sweden the 12-hour clock is nowadays rarely used) they are f.m. and e.m.. Most other languages lack formal abbreviations for before noon and after noon and their users use the 12-hour clock only verbally and informally. The 12-hour clock is a timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem (a.m., from Latin, literally before the middle of the day, idiomatically approaching midday) and post meridiem (p.m., past midday). Each period consists of 12 hours numbered 12 (acting as zero), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11. The a.m. period runs from midnight to noon, while the p.m. period runs from noon to midnight. The most common convention is to assign 12 a.m. to midnight (at the beginning of the day) and 12 p.m. to noon, defining both half days to have a closed (inclusive) beginning and open (exclusive) end. The phrases 12 noon and 12 midnight (or simply noon and midnight) can more clearly express these times (except that for midnight one may need to also specify whether it is the midnight at the beginning or the end of the day in question).
