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