With this information, you can calculate the quantity of hours 40 days is equal to.

¿What is the inverse calculation between 1 hour and 40 days?

Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 0.0010416667 times 40 days.

Which is the same to say that 40 days is 960 hours.

Forty days equals to nine hundred sixty hours. *Approximation

A hour is zero times forty days. *Approximation