With this information, you can calculate the quantity of days 520 hours is equal to.
¿What is the inverse calculation between 1 day and 520 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 0.046153846 times 520 hours.
Which is the same to say that 520 hours is 21.666667 days.
Five hundred twenty hours equals to twenty-one days. *Approximation
A day is zero times five hundred twenty hours. *Approximation