12-hour clock
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The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. and p.m.. Each period consists of 12 hours numbered: 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 1
Exeter Cathedral Astronomical Clock, showing the double-XII numbering scheme
World War II RAF sector clock that can be read either in 12- or 24-hour notation
Typical digital 12-hour alarm clock indicating p.m. with a dot to the left of the hour.
Typical analogue 12-hour clock
Midnight
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Midnight is the transition time from one day to the next – the moment when the date changes, on the local official clock time for any particular jurisdiction. By clock time, midnight is the opposite o
12-hour clock
…Italian six-hour clock – Historic timekeeping system Midnight – Transition time from one day to the next Muhurta – Time of the day as benefic or malefic…
Midnight at Metz railway station, in France
Photograph of the moon taken at midnight