There are total 23 hours or 1380 minutes from 9am to 8am. In words, this duration is equal to twenty-three hours or one thousand three hundred eighty minutes.
How many hours from
| 8AM to 9PM | 10AM to 4AM | 4PM to 10PM |
| 1AM to 2PM | 10AM to 9PM | 9AM to 10AM |
| 5PM to 12AM | 11PM to 9AM | 3PM to 10PM |
| 5PM to 3PM | 9AM to 10AM | 1PM to 8PM |
| 11AM to 3AM | 4PM to 6PM | 9AM to 12AM |
| 9AM to 6AM | 8AM to 8PM | 6AM to 10PM |
