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