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