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