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