There are total 20 hours or 1200 minutes from 8am to 4am. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 3PM to 5AM | 7PM to 8PM | 2PM to 2AM |
| 6PM to 12AM | 3PM to 4AM | 4PM to 7PM |
| 11PM to 12AM | 3PM to 7PM | 1AM to 4PM |
| 4PM to 11PM | 4PM to 8PM | 10PM to 11PM |
| 7AM to 8PM | 3PM to 9PM | 6AM to 9PM |
| 2PM to 5PM | 10PM to 10AM | 3AM to 1PM |