Expect Everything You Want to Do to Be Closed on Sundays
Another thing to keep in mind is that Germans do not work on Sundays. The number of stores, pharmacies, and supermarkets that are closed on Sunday may surprise you. Purchase whatever you require before Sunday to avoid any difficulties. Restaurants and a few cafés are the only establishments operating on Sunday.
On Sundays, everything in Germany shuts down. While you can usually find a spaeti open in Berlin, other cities may have difficulty finding what you need. Fortunately for visitors, most museums follow the internationally accepted "museums are closed on Mondays guideline," which means Sundays are an excellent day to visit some of Germany's world-class museums.
So make sure to do your groceries by Saturday night. However, restaurants and bars will usually be open. This is one of the top Things about Germany You Should Know before traveling to this country.