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