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