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