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