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