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