There are total 19 hours or 1140 minutes from 1am to 8pm. In words, this duration is equal to nineteen hours or one thousand one hundred forty minutes.
How many hours from
| 2PM to 2AM | 8PM to 2AM | 10AM to 9PM |
| 2PM to 2AM | 2PM to 1AM | 12AM to 1AM |
| 6AM to 10AM | 11AM to 6AM | 1AM to 4PM |
| 10AM to 2AM | 3AM to 11AM | 6AM to 10AM |
| 1AM to 6PM | 12AM to 9PM | 2PM to 4AM |
| 9PM to 9AM | 7AM to 3PM | 7PM to 9PM |
