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