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