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