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