There are total 21 hours or 1260 minutes from 6am to 3am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 8PM to 10PM | 1AM to 7PM | 6AM to 3PM |
| 1PM to 7PM | 9PM to 5PM | 6PM to 4PM |
| 8PM to 3AM | 2AM to 10AM | 12AM to 5PM |
| 5AM to 2AM | 6AM to 1PM | 10AM to 3AM |
| 11PM to 2PM | 9PM to 7AM | 7AM to 5AM |
| 1AM to 10PM | 8PM to 6AM | 5PM to 3AM |