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