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