Unable to answer "Are these opening hours still correct?" – Rieker (Shoe Store) – https://osm.org/node/5424457414 via StreetComplete 59.1:

Tuana Boutique 2
Mo. - Fr. 10:00 bis 19:00
Sa. 10:00 bis 18:00

Attached photo(s):
https://westnordost.de/p/246358.jpg