Unable to answer "What are the opening hours here?" – Ri Ra Irish Pub (Restaurant) – https://osm.org/node/4669476594 via StreetComplete 57.2:

Sign says they open for breakfast mon-fri at 8 am and sat/sun at 9 am. No closing time listed. Currently open at 9:30 pm on a Friday

Attached photo(s):
https://westnordost.de/p/207836.jpg