There are total 9 hours or 540 minutes from 1pm to 10pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 5AM to 10PM | 8AM to 2AM | 6PM to 5PM |
| 2PM to 6AM | 3PM to 7PM | 9AM to 12AM |
| 3PM to 4AM | 3AM to 11AM | 5AM to 4PM |
| 6AM to 6PM | 8AM to 10PM | 11AM to 1PM |
| 10AM to 2AM | 11PM to 12PM | 9AM to 5AM |
| 2AM to 11AM | 8AM to 10PM | 8AM to 2AM |
