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