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