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