Unable to answer "Are these opening hours still correct?" – on level 0: McDonald's (Burger Fast Food) – https://osm.org/node/287667842 via StreetComplete 62.0:

Sommer: So-Do 10.00-23.00, Fr-Sa 10.00-1.00
Winter: So-Do 10.00-23.00, Fr-Sa 10.00-0.00