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