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