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