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