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