There are total 13 hours or 780 minutes from 1pm to 2am. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 8AM to 8PM | 9PM to 11AM | 8PM to 2PM |
| 6PM to 3PM | 8AM to 9AM | 12AM to 4AM |
| 7PM to 3AM | 10AM to 8AM | 3AM to 11AM |
| 8PM to 6AM | 12AM to 12PM | 10AM to 4PM |
| 12AM to 6AM | 9PM to 3AM | 7PM to 12PM |
| 6PM to 12PM | 12PM to 5AM | 1PM to 5AM |
