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