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