There are total 10 hours or 600 minutes from 7am to 5pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 8PM to 4AM | 8AM to 9PM | 1AM to 9PM |
| 5PM to 12AM | 9PM to 10PM | 1PM to 6AM |
| 6PM to 8AM | 3AM to 4AM | 3AM to 9PM |
| 12AM to 9AM | 4PM to 10PM | 9PM to 3PM |
| 3PM to 11PM | 8PM to 1AM | 6PM to 7AM |
| 10PM to 7AM | 6AM to 5PM | 9AM to 6AM |
