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