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