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