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