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