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