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