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