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