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