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