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