midnight
Sign in to savethumb|right|Midnight at Metz railway station, in France 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 of noon, differing from it by 12 hours.
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Midnight is the moment when one calendar day ends and the next begins, occurring at 12:00 on the local official clock in any given place. It serves as the precise turning point that marks when the date officially changes and is positioned exactly 12 hours opposite from noon on a 24-hour clock.
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thumb|right|Midnight at Metz railway station, in France 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 of noon, differing from it by 12 hours.
Solar midnight is the time opposite to solar noon, when the Sun is closest to the nadir, and the night is equidistant from sunset and sunrise. Due to the advent of time zones, which regularize time across a range of meridians, and daylight saving time, solar midnight rarely coincides with 12 midnight on the clock. Solar midnight depends on longitude and time of the year rather than on time zone. In ancient Roman timekeeping, midnight was halfway between dusk and dawn (i.e., solar midnight), varying according to the seasons.