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