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