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