I've relapsed and become sober again many times.... so perhaps I'm an expert on when the cravings start -- for myself at least
I find that the cravings do no show themselves within the first week or two. I think this is because the voice of alcohol is smart enough to know that I am unlikely to fall for it when my most recent relapse if fresh in my mind.
The voice of alcohol waits until I forget... until the pain of the last bout with drinking has ebbed. When everything is going a-ok. That's when alcohol stands up and says "hey, remember me?"
So use that no cravings time to prepare your defense against that sneaky *******!
-Goat