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