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