There are total 21 hours or 1260 minutes from 9am to 6am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 7AM to 3PM | 5PM to 3AM | 2PM to 11AM |
| 8AM to 11PM | 8AM to 9AM | 4AM to 9AM |
| 12AM to 4PM | 8AM to 11PM | 1PM to 6AM |
| 4PM to 7PM | 7PM to 7AM | 3PM to 1AM |
| 4PM to 5PM | 9PM to 5AM | 10PM to 9AM |
| 1PM to 11PM | 11AM to 3PM | 10PM to 10AM |
