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