There are regular shopping Sundays in Germany.
To be sure, check the website of the location in question before visiting.
In addition, there is a Shopping Sundays section on this website under Calendar.
Shopping Sunday review 2024 coming up next month!
March 10
Essen
32683 Barntrup
32791 Lage
40213 Düsseldorf
41564 Kaarst
48282 Emsdetten
48703 Stadtlohn
58285 Gevelsberg
March 17
Essen
32545 Bad Oeynhausen
32657 Lemgo
40213 Düsseldorf
41564 Kaarst
46325 Borken
47665 Sonsbeck
48653 Coesfeld
48683 Ahaus
57462 Olpe
59590 Geseke
59759 Arnsberg
March 24
32602 Vlotho
33098 Paderborn
33330 Gütersloh
37671 Höxter
41539 Dormagen
46509 Xanten
48249 Dülmen
48431 Rheine
48691 Vreden
52349 Düren
52428 Jülich
59555 Lippstadt
See also:
https://www.verkaufsoffener-sonntag.com/bundesland/nordrhein-westfalen/
Replenished every month!