There are total 18 hours or 1080 minutes from 1pm to 7am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 7PM to 4AM | 10PM to 8PM | 5AM to 2AM |
| 12PM to 6AM | 5AM to 11AM | 11PM to 8AM |
| 10AM to 11PM | 6PM to 1AM | 11PM to 9PM |
| 5AM to 3AM | 1PM to 4PM | 2AM to 6AM |
| 1PM to 10AM | 2PM to 11PM | 12PM to 9PM |
| 1AM to 10PM | 5PM to 3AM | 11PM to 12PM |
