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