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