Spain's 10 p.m. dinners are not just a cultural quirk. They are partly the legacy of a 1940 Franco-era clock change that pushed the country ahead of the sun — so Spanish clocks now say 10 p.m. at the moment the sun still says 9

 https://spacedaily.com/d-spains-10-p-m-dinners-are-not-just-a-cultural-quirk-they-are-partly-the-legacy-of-a-1940-franco-era-clock-change-that-pushed-the-country-ahead-of-the-sun-so-spanish-clocks-now-say-10-p-m/