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