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