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