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