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