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