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