help me ...

[ZemZem]

I can't answer the question.

when I try to register the slots.

Question is : How many hours are there in a day?

 

[Plani Bardh]

There are as many hours a day as you would start counting from.... think about it: If you go to sleep at 9pm, get up at 3am, go to work for about 9 hours and come back home, how many hours were there you available for you ? you will get the answer ?