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 1AM | 8PM to 6AM | 1PM to 2AM |
| 10AM to 5PM | 10AM to 6PM | 5AM to 6PM |
| 8PM to 3PM | 7PM to 10AM | 2PM to 12AM |
| 9PM to 5PM | 4AM to 7AM | 8AM to 4PM |
| 6AM to 7AM | 8AM to 2AM | 1AM to 4PM |
| 7PM to 4PM | 1AM to 7AM | 12AM to 1PM |
