The cultural issue is the entire point here, so it can't really be brushed away. The idea that pretty much any list of things could be true worldwide falls down

The cultural issue is the entire point here, so it can't really be brushed away. The idea that pretty much any list of things could be true worldwide falls down rather quickly. (PS Spain has multiple timezones: http://www.timeanddate.com/worldclock/city.html?n=141 http://www.timeanddate.com/worldclock/city.html?n=141 vs http://www.timeanddate.com/worldclock/city.html?n=683 http://www.timeanddate.com/worldclock/city.html?n=683 for example)