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