Hi Jajah
No you don´t have do anything on APO side.
You have just or only extended your planning calendar which is mainly getting used in ECC system.
In APO, we transfer only factory calendar from ECC. So in case you have done any changes with only planning calendar you don´t require to do anything.
Kindly request you to please close the thread following How to close a discussion and why steps.
Thanks
Amol