How many seconds in а day?
How many seconds in one day and in one year? Have you ever try to count?
One minute has 60 seconds, One hour has 60 minutes and one day has 24 hours. Thus, 80 x 60 x 24 = 86,400 seconds in a day.
One common calendar year has 365 days: Thus, 365 x 86,400 = 31,563,000 seconds in a year.
