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