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