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