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
| 10PM to 9AM | 1AM to 3AM | 10PM to 8AM |
| 8PM to 2AM | 11PM to 8AM | 10AM to 12PM |
| 2PM to 12PM | 6AM to 10AM | 2PM to 1AM |
| 8PM to 5PM | 7AM to 2AM | 4PM to 8AM |
| 8PM to 5PM | 1PM to 3PM | 12PM to 4AM |
| 8PM to 11PM | 12AM to 9AM | 7PM to 5AM |
