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