How many seconds are there in a day?

Explanation

The second is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. A minute consists of 60 seconds. An hour consists of 60 minutes or 60 x 60 = 3,600 seconds. A day consists of 24 hours or 24 x 60 x 60 = 86,400 seconds. A week consists of 7 days or 24 x 7 = 168 hours. A year consists of 365 days or 365 x 24 = 8,760 hours.