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