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