How do we get a time duration in C++ since a given year? Can we do it with ctime or should we use chrono as well?

I have this python code which outputs the directory last modified date output. import os import time print (time.ctime(max(os.stat(root).st_mtime for root,_,_ in os.walk('/Users/<username>/Desk...

I have the following code, with which I get today's date. I would like to know if from this code I can obtain the date 6 and 12 months later. Or how can I get these dates? Thank you! #include <iost...