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