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