Unable to answer "What are the opening hours here?" – La Tiendita (Supermarket) – https://osm.org/node/1390276403 via StreetComplete 59.3:

La venta de Cristi y Ángeles, de miércoles a viernes de 9 a 15, sábados y domingos de 9:30 a 14:30

Attached photo(s):
https://streetcomplete.app/p/253590.jpg