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