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
| 12PM to 3AM | 3PM to 11AM | 9PM to 9AM |
| 12AM to 1AM | 7PM to 3PM | 6AM to 5PM |
| 5PM to 1AM | 3PM to 7PM | 11AM to 8AM |
| 11AM to 2PM | 11AM to 1PM | 6PM to 8AM |
| 7AM to 9AM | 11PM to 5AM | 3AM to 5PM |
| 2PM to 7AM | 7PM to 3AM | 6PM to 12AM |