Lanzarote used to be on Canarian Mean Time, which was based on a solar observatory. Then Spain standardized everything in 1942 during World War II. The Canaries got an exception because they’re islands. Politicians love making exceptions—especially for islands with good beaches.
Now you know: the time difference is really just a quirk of politics and longitude. And you can tell your friends that fact at dinner. They’ll think you’re a genius. Or a huge nerd. Either way, it’s a win.