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