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