Unable to answer "Are these opening hours still correct?" for https://osm.org/node/742124679 via StreetComplete 43.2:

Post office inside a MC Coll's.  Post office in the UK can be found inside of shops.  Please make the ability to do shop inside a shop.  The post office has shorter opening hours. Adding images

Attached photo(s):
https://westnordost.de/p/94042.jpg
https://westnordost.de/p/94043.jpg