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