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