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