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