There are total 19 hours or 1140 minutes from 1pm to 8am. In words, this duration is equal to nineteen hours or one thousand one hundred forty minutes.
How many hours from
| 1PM to 2PM | 3AM to 4AM | 4AM to 1PM |
| 6AM to 5PM | 11PM to 1PM | 4AM to 5PM |
| 11PM to 2PM | 5PM to 10PM | 6AM to 10PM |
| 8PM to 9AM | 1AM to 8AM | 12PM to 11AM |
| 1PM to 2PM | 10AM to 4AM | 6AM to 9PM |
| 8PM to 10AM | 1AM to 6AM | 8AM to 2AM |
