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