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