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