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