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