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