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