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