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