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
| 4PM to 10AM | 5PM to 12PM | 2AM to 2PM |
| 6PM to 5PM | 7PM to 11AM | 12AM to 7PM |
| 5PM to 1PM | 11PM to 9PM | 12AM to 9AM |
| 2AM to 8AM | 8PM to 7AM | 4PM to 2AM |
| 7AM to 10PM | 6AM to 12PM | 8AM to 12AM |
| 7AM to 9PM | 10PM to 10AM | 12PM to 1AM |
