There are total 10 hours or 600 minutes from 9am to 7pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 4PM to 2AM | 9AM to 3PM | 9PM to 6AM |
| 8PM to 9AM | 9AM to 12AM | 4PM to 7PM |
| 7PM to 3AM | 12AM to 5AM | 3PM to 2AM |
| 9AM to 2AM | 9PM to 11PM | 7AM to 3PM |
| 1PM to 8AM | 12AM to 6AM | 1AM to 2AM |
| 7AM to 7PM | 11AM to 12AM | 2PM to 6PM |
