[limitedfrom]

Except the perception of anomalous dinner time in Spain is also due to time zones. Spain switched to CET in 1940 to be in solidarity with Germany[0] (nowadays it will still translate to easier coordination with France, Germany, and Italy), meaning that despite much of the country being west of London, it shares the same time zone as Serbia and Poland. This means that if you live your normal life according to the sun, the clock time will 1 to 1.5 hours behind depending on where you are in Spain[1].

[0] https://www.npr.org/sections/parallels/2013/11/30/244995264/... [1] https://imgur.com/source-http-wp-me-poxsk-pq-8IFLFoJ

[ghaff]

Opinion seems divided on whether that’s the sole reason but it’s very probable it’s a major contributor.