A.M.

Early day hours

A.M. stands for ante meridiem, Latin for "before midday." It designates hours from midnight to noon: The meeting is at 10 A.M.

Also written as a.m. or am.

The counterpart P.M. covers noon to midnight.

time

morning

Day's early hours

early · predawn · wee hours · first light · crack of dawn · sunup · matins · cockcrow · forenoon · small hours

radio

amplitude modulation

Carrier intensity conveys information

transistor · dial · station · airwaves · shortwave · transmitter · antenna · signal · static · tuning

scheduling

appointment

Scheduled time for something

calendar · timetable · booking · reservation · slot · check-in · departure · arrival · wake-up call · opening hours

Opposites
time of day designation

A.M.P.M.

After midday hours

p.m. · PM · afternoon · evening · night

Family

P.M.

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G