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