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