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