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