There are total 7 hours or 420 minutes from 1am to 8am. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 2PM to 8PM | 11PM to 5AM | 5AM to 6AM |
| 5PM to 6PM | 6AM to 8PM | 1PM to 7PM |
| 10PM to 1AM | 4PM to 4AM | 11PM to 3PM |
| 4PM to 6AM | 3AM to 8PM | 8AM to 9AM |
| 11AM to 10PM | 11PM to 10PM | 6AM to 5AM |
| 5PM to 3PM | 11PM to 10AM | 5PM to 12AM |
