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
| 1PM to 4PM | 8AM to 12AM | 8AM to 9PM |
| 5AM to 3AM | 2PM to 6PM | 2AM to 7AM |
| 1AM to 6AM | 2PM to 4AM | 4AM to 5PM |
| 5PM to 12PM | 1AM to 2AM | 1PM to 10PM |
| 4AM to 9AM | 3AM to 9PM | 6PM to 12AM |
| 8AM to 4AM | 6AM to 12AM | 12PM to 11PM |
