With this information, you can calculate the quantity of days 9 hours is equal to.
¿What is the inverse calculation between 1 day and 9 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 2.6666667 times 9 hours.
Which is the same to say that 9 hours is 0.375 days.
Nine hours equals to zero days. *Approximation
A day is two times nine hours. *Approximation