There are total 15 hours or 900 minutes from 10pm to 1pm. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 7PM to 2PM | 2PM to 6AM | 9AM to 8PM |
| 5AM to 9PM | 4AM to 2PM | 9PM to 12AM |
| 3PM to 8AM | 2PM to 12AM | 1AM to 7PM |
| 2PM to 9AM | 11AM to 9AM | 10PM to 7PM |
| 1AM to 10PM | 3PM to 7AM | 10AM to 11AM |
| 5AM to 8PM | 5AM to 7PM | 11AM to 5AM |