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
| 1PM to 4AM | 3PM to 12PM | 10PM to 7PM |
| 5AM to 1PM | 2PM to 1PM | 7AM to 3PM |
| 1AM to 7AM | 3PM to 10AM | 7PM to 5AM |
| 8AM to 11PM | 4PM to 7AM | 7AM to 10PM |
| 8PM to 2AM | 12AM to 10AM | 7AM to 6PM |
| 6PM to 5AM | 3PM to 12AM | 9AM to 10PM |
