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