There are total 3 hours or 180 minutes from 10pm to 1am. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 12AM to 2PM | 9PM to 9AM | 1AM to 6PM |
| 4AM to 8PM | 1AM to 9PM | 10PM to 8PM |
| 8PM to 3PM | 4PM to 12PM | 12PM to 4PM |
| 3PM to 8AM | 12PM to 7AM | 1AM to 1PM |
| 9AM to 10AM | 9PM to 9AM | 5PM to 7PM |
| 6PM to 4AM | 5PM to 9AM | 11AM to 3AM |
