There are total 2 hours or 120 minutes from 11pm to 1am. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 9AM to 10PM | 8AM to 7AM | 10AM to 10PM |
| 1AM to 11AM | 12PM to 1AM | 11AM to 3AM |
| 6PM to 1PM | 4PM to 2PM | 3AM to 5AM |
| 12PM to 7AM | 11PM to 3AM | 8AM to 1AM |
| 2PM to 8AM | 10PM to 4AM | 11PM to 10PM |
| 9AM to 6AM | 1PM to 11AM | 5PM to 12AM |
