With this information, you can calculate the quantity of days 504 hours is equal to.

¿What is the inverse calculation between 1 day and 504 hours?

Performing the inverse calculation of the relationship between units, we obtain that 1 day is 0.047619048 times 504 hours.

Which is the same to say that 504 hours is 21 days.

Five hundred four hours equals to twenty-one days. *Approximation

A day is zero times five hundred four hours. *Approximation