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