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