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