There are total 17 hours or 1020 minutes from 8pm to 1pm. In words, this duration is equal to seventeen hours or one thousand twenty minutes.
How many hours from
| 4AM to 4PM | 6PM to 1AM | 5PM to 3PM |
| 6AM to 1AM | 1PM to 11PM | 4PM to 7AM |
| 12PM to 9AM | 9PM to 2PM | 8PM to 9PM |
| 8PM to 8AM | 1PM to 2PM | 8PM to 6AM |
| 5PM to 11AM | 8AM to 11PM | 12AM to 7AM |
| 7AM to 10AM | 7AM to 3AM | 12AM to 8AM |