The day starts at midnight because it is the point when the clock resets to zero and marks the beginning of a new 24-hour period. This convention has been used for centuries to help organize and track time consistently.
Because there are twenty-four hours in a day and it stops at midnight. Probably because dawn is at a different time each day and days would not be equal in time
it started at midnight
Just after midnight on the XII-XXXI-MM (December-31-2000)
a day that you do not know
Midnight Robber was created in 2000.
At midnight.
midnight
The statutory holiday of Canada Day is July 1st, in its entirety (i.e.: Midnight to Midnight).
midnight
When it has been half of a day, it is 12 hours from the start of that day. If you start counting from midnight (12:00 AM), half a day would be at 12:00 PM (noon). If you start from noon, half a day later would be at 12:00 AM (midnight) the following day.
12:00 pm (or noon) is midday, while 12:00 am (or midnight) is the start of the new day.
Midnight on the 31st December
Midnight is the first minute of the day. 11:59 is PM and 12:00 o'clock midnight is AM. Also, after 11:59 AM (during the day) 12:00 turns into PM.
12:04 AM is considered to be midnight because it is the start of a new day. It falls between 12:00 AM (midnight) and 12:59 AM.
0:00....aka....midnight exact
a couple of months
Midnight on the 22nd of May would typically refer to the moment that comes right after 11:59 PM on the 22nd, essentially the start of the new day. So, it would be the midnight following the day of the 22nd.