why is 12 am called midnight?
14019
Midnight is exactly 180 degrees apart from noon because the earth is round in the network of geographical coordinates the meridian of Greenwich indicated 12:00 noon Any point on the surface of planet earth at 180 degrees of the meridian of Greenwich or "0" is marking midnight this means that it is neither am nor pm.
500561
12:00 a.m. is usually referred to as both 0000 and 2400 hours. Clocks which can display Military Time, however, always display this time of day as 0000 (and not as 2400).
601700
Originally Answered: Why do we call 12 p.m. noon? The term 'noon' comes from the Old English 'non', which in turn is derived from the Latin 'nona hora' -ninth hour. Originally it referred to the ninth hour after sunrise - that is, 3pm. During the twelfth century, the meaning began to shift from 3pm to midday.
690426
The first 12-hour period is designated as am. It runs from midnight to noon. The second period, marked pm, covers the 12 hours from noon to midnight. ... PM = Post meridiem: After noon.
1062992
12:00am is midnight. 12:00pm is noon. Midnight is usually defined as 12:00:00 a.m., even though logically it's neither "ante-meridiem" nor "post-meridiem". In fact a new day is usually defined as beginning at 12 a.m. exactly, even though no time has elapsed in the new day at that time.
1037477
The word 'evening' may be casually used to include the last waning afternoon shortly before sunset. There can be no precise definition in terms of clock time, but it is casually considered to start as early as 5 p.m. by some, or at 6 p.m. by the Oxford English Dictionary, and to last until night or bedtime.
236265
Both 12am and 12pm are precise moments of time. 12am is the exact moment the 12th hour of the morning finishes (am), and similarly for pm. Therefor 12am is midday and pm would start straight after. The confusion has started since the invention of the digital clock.
220534
Since noon is neither before nor after noon, and midnight could be considered the end of one day or the start of the next, neither label fits. However, it's a very common interpretation that 12:00AM means midnight (00:00 in 24-hour notation) and 12:00PM means noon (12:00 in 24-hour notation).
334249
Midday and midnight conventions There are no standards established for the meaning of 12am and 12pm. ... It can also be argued that by the time you have seen a clock showing 12:00 at midday it is already post meridiem, and similarly at midnight it is already ante meridiem.
966285
Converting from 12 hour to 24 hour clock Starting from the first hour of the day (12:00 AM or midnight to 12:59 AM), subtract 12 hours: 12:00 AM = 0:00. 12:15 AM = 0:15.
433463
12:30 a.m. is in the first period which begins at midnight (technically 12:00 a.m.) and the 12:30 p.m. is just after noon (which technically is 12 p.m.). To avoid confusion, many people do not use 12 a.m or 12 p.m. and prefer to use midnight and noon.
826022
AM = Ante meridiem: Before noon. PM = Post meridiem: After noon.
920732
Start and end of day. Midnight marks the beginning and ending of each day in civil time throughout the world. ... Though there is no global unanimity on the issue, most often midnight is considered the start of a new day and is associated with the hour 00:00.
547485
Midnight – and noon – aren't defined as a.m. or p.m. You can talk about 12:01 a.m., and you can talk about 12:01 p.m., but 12 o'clock a.m. and 12 o'clock p.m. mean different things to different people. ... In that system, tonight's midnight is the first moment of tomorrow.
665377
The first 12-hour period is designated as am. It runs from midnight to noon. The second period, marked pm, covers the 12 hours from noon to midnight.
480959
The American Heritage Dictionary of the English Language states "By convention, 12 AM denotes midnight and 12 PM denotes noon.
729369
The new day starts at 12:00:00. New day begins at 12:00AM hence it being AM & is no longer PM.