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