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