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