You need to come up with a plan to do something else when that temptation arises. And plan it now. Say to yourself, ok, at 5PM I like to drink, and I am unable to fight the craving. So instead, I am going to .........
If you don't make a plan, you won't have any defense against the power of this craving. You've gotten yourself into a pattern of giving in to it. Now you need to find a way to make a pattern of saying no.
Call someone, read a recovery book, get on the chat room here, knit, needlepoint, cook, do something else!!!!