With this information, you can calculate the quantity of days 12 hours is equal to.
¿What is the inverse calculation between 1 day and 12 hours?
Performing the inverse calculation of the relationship between units, we obtain that 1 day is 2 times 12 hours.
Which is the same to say that 12 hours is 0.5 days.
Twelve hours equals to zero days. *Approximation
A day is two times twelve hours. *Approximation