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