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