There are total 17 hours or 1020 minutes from 8am to 1am. In words, this duration is equal to seventeen hours or one thousand twenty minutes.
How many hours from
| 10PM to 11PM | 9PM to 12PM | 2AM to 8AM |
| 11AM to 11PM | 7PM to 11PM | 9AM to 10AM |
| 3PM to 4AM | 11PM to 10AM | 12PM to 10AM |
| 11PM to 12AM | 11PM to 5AM | 7AM to 10PM |
| 5AM to 5PM | 12PM to 9AM | 5PM to 2AM |
| 10AM to 9AM | 3AM to 3PM | 1PM to 1AM |
