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