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