Eight hours exactly !
180
There are 300 minutes in 5 hours
1440
90
180 min.
540 minutes.
That is eight hours.
1 hour and 7 minuets
There are 16,523 hours and 26 minuets in one Mars year.
There are 360 minutes in 6 hours. (1 hour = 60 minutes.)
2 Hours and 30 minuets.