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