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