Let's sum these two numbers.
3 + 9 = 12 total hours.
In every 12-hour the clock format changes AM to PM or the opposite PM to AM. So we need to divide 12 with the result 12.
There are 1 times 12 number in the 12
If the result is ODD number the time format will change the opposite side. If the result is EVEN number the time format will be the same.
Answer :12am
What is 9 hours from 3am ? = 12am.
Add 9 hours to 3am is equal 12am.