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