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