The term midnight refer to 12:00am. it used to refer to the exact middle time between sunset and sunrise. In most systems it also is the start of a new day.
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Midnight - Wikipedia, the free encyclopedia
Midnight is, literally, "the middle of the night". In most systems it is when one day ends and the next begins: when the date changes. Originally midnight was halfway between sunset and dawn, varying...
en.wikipedia.org/wiki/Midnight
24-hour clock - Wikipedia, the free encyclopedia
The 24-hour clock is a convention of time keeping in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 0 to 23. This system is the most commonly used time nota...
en.wikipedia.org/wiki/24-hour_clock
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Along the same line, the Universal Day, established by the International Convention in 1884 in Washington, D.C., U.S.A., operates according to World Time, or Universal Time at Greenwich, England. The logic regarding Midnight and Noon also applies to Greenwich Mean Time, commonly referred to as GMT or Zulu time;
www.coolquiz.com/trivia/explain/docs/time.asp www.coolquiz.com/trivia/explain/docs/time.asp
Universal Time (UT) is counted from 0 hours at midnight, with unit of duration the mean solar day, defined to be as uniform as possible despite variations in the rotation of the Earth. ... UT0 is the rotational time of a particular place of observation. It is observed as the diurnal motion of stars or extraterrestrial...
tycho.usno.navy.mil/systime.html tycho.usno.navy.mil/systime.html
Another no-brainer that I even asked on my first cruise. The midnight buffet is at, say it all together, midnight! Many of the cruise lines are stopping this yummy tradition. 5. Is the water in the toilet fresh water or saltwater? What d...
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What is Noon and Midnight? ... Every day starts precisely at midnight and A.M. starts immediately after that point in time e.g. 00:00:01 A.M. (see also leap seconds) ... To avoid confusion timetables, when scheduling around midnight, prefer to use either 23:59 or 00:01 to avoid confusion as to which day is being referred to.
wwp.greenwichmeantime.com/info/noon.htm wwp.greenwichmeantime.com/info/noon.htm
In case an unambiguous representation of time is required, 00:00 is usually the preferred notation for midnight and not 24:00. ... which represents the time one second before midnight. ... It is also possible to add fractions of a second after a decimal dot or comma, for instance the time 5.8 ms before midnight can be written as...
www.cl.cam.ac.uk/~mgk25/iso-time.html www.cl.cam.ac.uk/~mgk25/iso-time.html