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