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