Zero alcohol means just that - you are not ingesting any alcohol with nonalcoholic beer (as long as it states on the label 0% ABV) so your sobriety date doesn’t come into it. However, there is a lot of debate about the pros and cons. Here is a thread you might want to check out for some people’s perspectives on it:
Within that thread is a link that @SassyRocks posted about frequently asked questions from newcomers. That’s definitely worth checking out.
Edit - here’s the direct link:
And welcome to the forum! Glad you posted your question.