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