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