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