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