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