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