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