There are total 22 hours or 1320 minutes from 3am to 1am. In words, this duration is equal to twenty-two hours or one thousand three hundred twenty minutes.
How many hours from
| 8PM to 6AM | 11AM to 12PM | 8PM to 4PM |
| 1AM to 12PM | 11PM to 6PM | 4PM to 5PM |
| 8AM to 3AM | 10AM to 2AM | 4PM to 11PM |
| 6PM to 7PM | 10AM to 5AM | 10AM to 12PM |
| 12PM to 3PM | 3AM to 4PM | 7AM to 6AM |
| 2PM to 9AM | 2AM to 5PM | 9AM to 3AM |