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
| 9AM to 8PM | 8PM to 10PM | 6PM to 2AM |
| 1AM to 7PM | 11PM to 9PM | 10PM to 6AM |
| 2PM to 11AM | 10PM to 6AM | 2AM to 10AM |
| 12PM to 5AM | 4AM to 3AM | 11AM to 4PM |
| 12PM to 7PM | 4AM to 8AM | 11PM to 8AM |
| 9AM to 7PM | 11PM to 7AM | 7PM to 10PM |
