The counting of the day begins from midnight because the earth routates around the sun.
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.
From 6 AM to 3 AM the next day is a total of 21 hours. You can calculate this by counting the hours from 6 AM to midnight, which is 18 hours, and then adding the 3 hours from midnight to 3 AM.
The time from 8 AM to 3 AM the following day is 19 hours. This is calculated by counting the hours from 8 AM to midnight (16 hours) and then adding the 3 hours from midnight to 3 AM.
From 10 AM to 3 AM the next day is a total of 17 hours. This can be calculated by counting the hours from 10 AM to midnight (14 hours) and then adding the 3 hours from midnight to 3 AM.
It begins at midnight, which you could write as 12:00am or 00:00.
counting number begins from 1 and so on .
Midnight is the point at which one day ends and the next begins, marking the switch of date. As such, it is not "finished" but rather a moment in time that transitions from one day to the next.
New Year's Eve is a full day, so it starts at midnight on the 30th of December. It lasts until midnight on the 31st of December, when the new year begins.
When your clock reaches Midnight and then passes it, a new day begins for you, and none of that depends on where you're located.
It is midnight first at locations on the International Date Line in the Pacific Ocean, where the new day officially begins. For example, countries like Samoa and Tonga are among the first places to experience 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.
From 6 AM to 3 AM the next day is a total of 21 hours. You can calculate this by counting the hours from 6 AM to midnight, which is 18 hours, and then adding the 3 hours from midnight to 3 AM.
The time from 8 AM to 3 AM the following day is 19 hours. This is calculated by counting the hours from 8 AM to midnight (16 hours) and then adding the 3 hours from midnight to 3 AM.
If by day you mean the opposite of night, i.e. the time between sunrise and sunset, it's the day of the winter solstice, which is between June 19 and June 23 inclusive in the southern hemisphere and between December 20 and December 23 inclusive in the northern hemisphere. If by day you mean the time from midnight to midnight, it's the day on which daylight saving time or summer time begins. In countries that do not observe daylight saving time or summer time, every day is 24 hrs. long by the clock (not counting leap seconds).
A new day begins at 12:00:01 AM. What would actually be one second after midnight, or 00:00:01 military time.
The International Date Line, located in the Pacific Ocean, is where each new calendar day begins at midnight. This imaginary line marks the boundary between one calendar day and the next, and is used to define time zones and the change of dates.
Midnight refers to the middle of the night, specifically 12 o'clock at night or the moment when one day ends and the next begins. It is a specific time marking the transition from one day to the next.