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