Unable to answer "What are the opening hours here?" – Côté Santé Anderlues (Medical Supply Store) – https://osm.org/way/1102858429 via StreetComplete_ee 59.2:

plusieurs horaires affichés

Attached photo(s):
https://westnordost.de/p/252522.jpg
https://westnordost.de/p/252523.jpg