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
| 1PM to 10PM | 1PM to 11AM | 8PM to 4PM |
| 4PM to 2PM | 10PM to 12AM | 3AM to 12AM |
| 1PM to 11PM | 1AM to 8AM | 4PM to 3PM |
| 7PM to 11PM | 10PM to 8PM | 10AM to 7PM |
| 2PM to 9AM | 12PM to 8AM | 6PM to 2PM |
| 6PM to 4AM | 9AM to 10AM | 9AM to 5AM |
