With this information, you can calculate the quantity of days 4 hours is equal to.
¿What is the inverse calculation between 1 day and 4 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 6 times 4 hours.
Which is the same to say that 4 hours is 0.16666667 days.
Four hours equals to zero days. *Approximation
A day is six times four hours. *Approximation