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