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