There are total 7 hours or 420 minutes from 6pm to 1am. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 8PM to 10PM | 11PM to 4PM | 4PM to 5PM |
| 4PM to 10AM | 10AM to 1AM | 11PM to 7AM |
| 4AM to 5PM | 3AM to 12AM | 10AM to 6AM |
| 10PM to 1AM | 4PM to 3AM | 2PM to 3AM |
| 6AM to 2PM | 3AM to 4PM | 3PM to 6AM |
| 6PM to 5AM | 11PM to 9AM | 4AM to 6PM |
