The days of each month of the year remain unchanged, with the exception of leap year, when February has an extra day on the calendar. Months are divided into 30 or 31 days in this case. Is it true that:
January - 31 days
February – 28 days or 29 days when the action is leap
March – 31 days
April - 30 days
May – 31 days
June - 30 days
July - 31 days
August - 31 days
September – 30 days
October – 31 days
November – 30 days
December - 31 days
1 year = 365 days
hours :
1 day = 24 hours
365 days = x
x = 365 . 24 = 8760 hours
minutes:
1 hour = 60 min
8760 h = x
x = 8760 . 60 = 525 600 minutes
sec:
1 min = 60 sec
525600 min = x
x = 525600 . 60 = 31 536 000 seconds