With this information, you can calculate the quantity of days 315 hours is equal to.
¿What is the inverse calculation between 1 day and 315 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 0.076190476 times 315 hours.
Which is the same to say that 315 hours is 13.125 days.
Three hundred fifteen hours equals to thirteen days. *Approximation
A day is zero times three hundred fifteen hours. *Approximation