1.why there is 365 or 366 days in a year.? 2.and also why there is 30 days in

1.why there is 365 or 366 days in a year.?

2.and also why there is 30 days in a month?
3. and 23 hours 56 minutes 4 second in a day ?

4 . why there is 28 or 29 days in February?

Question Posted / satyam tiwari

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1.why there is 365 or 366 days in a year.? 2.and also why there is 30 days in a month? 3. and 2..

Answer / Jitendar Singh

1. The Earth takes approximately 365.25 days to orbit the Sun, but our calendar year only has 365 days. To account for this discrepancy, we have a leap year every four years (except century years not divisible by 400), which adds an extra day (February 29) and totals 366 days in the year.
2. The number of days in a month varies depending on whether it's a common year or a leap year. Most months have 31 days, but February usually has 28 days. However, in a leap year, February has 29 days.
3. The length of a day is approximately 24 hours due to the Earth's rotation on its axis. The slight discrepancy (approximately 2 milliseconds) between the solar day and the mean solar day results from the Earth's slowing rotation.
4. February has either 28 or 29 days because it is the shortest month of the year, and adding an extra day helps account for the discrepancy between the Earth's orbit around the Sun and our calendar year.

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