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