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