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
| 1AM to 9PM | 5PM to 9AM | 9PM to 7PM |
| 2PM to 2AM | 12AM to 4PM | 6AM to 3AM |
| 5AM to 10PM | 9AM to 7AM | 2AM to 6AM |
| 2PM to 10PM | 8AM to 9AM | 2PM to 11PM |
| 9AM to 11PM | 11PM to 9PM | 2PM to 11AM |
| 3PM to 9PM | 12PM to 6PM | 2PM to 7AM |
