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
| 5AM to 3AM | 5PM to 6PM | 1AM to 5PM |
| 5PM to 1PM | 4PM to 7PM | 2PM to 9PM |
| 3AM to 10AM | 11AM to 4PM | 9AM to 9PM |
| 3PM to 5AM | 7PM to 5AM | 12AM to 11AM |
| 2PM to 12PM | 1AM to 7AM | 7PM to 7AM |
| 7AM to 1AM | 7PM to 10AM | 10AM to 9PM |
