From 9:30 to the next occurrence of 4:30 is seven hours.
55,800 (930 x 60mins)
9 hours and 30 minutes.
12 hours
1460
9 hours.
8
This is equivalent to 16 hours.
1 month 210 hours
6 hours and 30 minutes.
6 3/4 hours
7 hours
430 miles is a 5 hour and 32 minute