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