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