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