540 minutes.
Eight hours exactly !
180
There are 300 minutes in 5 hours
1440
180 min.
90
240000 minutes
That is eight hours.
1 hour and 7 minuets
There are 16,523 hours and 26 minuets in one Mars year.
Nine hours is equal to 540 minutes. This is calculated by multiplying the number of hours (9) by the number of minutes in an hour (60). So, 9 hours x 60 minutes/hour = 540 minutes.
There are 360 minutes in 6 hours. (1 hour = 60 minutes.)