There are total 8 hours or 480 minutes from 9am to 5pm. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 7AM to 10AM | 2AM to 9PM | 11PM to 6AM |
| 8PM to 10AM | 1PM to 4PM | 9PM to 8AM |
| 9PM to 3PM | 2AM to 7AM | 9AM to 10PM |
| 11PM to 12AM | 1PM to 2PM | 6PM to 3PM |
| 4AM to 8PM | 4AM to 4PM | 11PM to 10AM |
| 3AM to 4PM | 7AM to 4PM | 10AM to 2PM |
