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