With this information, you can calculate the quantity of days 670 hours is equal to.
¿What is the inverse calculation between 1 day and 670 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 0.035820896 times 670 hours.
Which is the same to say that 670 hours is 27.916667 days.
Six hundred seventy hours equals to twenty-seven days. *Approximation
A day is zero times six hundred seventy hours. *Approximation