Question 1

What date is 9 months after April 9?

Accepted Answer

9 months after April 9 is January 9.

Question 2

Is 9 months after April 9 always the same?

Accepted Answer

Yes — for a given month and day, 9 months forward consistently lands on January 9. Edge cases (like adding 9 months to January 31) clamp to the last valid day of the result month.

Question 3

What is 9 months before January 9?

Accepted Answer

9 months before January 9 brings you back to April 9.

9 Months After April 9

January 9