Archaeological sites, monuments and museums in Athens begin their operation with extended summer opening hours as of Friday, April 12, 2019. The new summer hours are 8:00 a.m. to 8:00 p.m. In other parts of Greece, summer opening hours will start by the end of next week, the Greek Culture Ministry announced on Thursday. The … The post Athens archaeological sites and museums extend opening hours as of April 12 appeared first on Keep Talking Greece.