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