There are total 23 hours or 1380 minutes from 9pm to 8pm. In words, this duration is equal to twenty-three hours or one thousand three hundred eighty minutes.
How many hours from
| 4PM to 6PM | 8PM to 2PM | 7AM to 2PM |
| 6AM to 9PM | 10PM to 12PM | 5AM to 4AM |
| 11AM to 12PM | 10PM to 2PM | 11AM to 2PM |
| 1AM to 10PM | 7PM to 1PM | 6PM to 7AM |
| 4PM to 2AM | 12AM to 7PM | 2AM to 8AM |
| 9PM to 2PM | 3PM to 11AM | 8AM to 5AM |
