There are total 20 hours or 1200 minutes from 10am to 6am. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 6AM to 9PM | 9PM to 4PM | 10PM to 6AM |
| 11PM to 10AM | 12PM to 3PM | 10AM to 1PM |
| 7AM to 1AM | 4AM to 12PM | 9PM to 7PM |
| 12AM to 8AM | 7PM to 1AM | 10PM to 10AM |
| 6AM to 7AM | 6PM to 11AM | 10PM to 7PM |
| 1PM to 1AM | 4PM to 12PM | 2AM to 5PM |