Ministry of Culture of Greece published on its website information on the decision to extend the operating time of 30 museums hosting the largest number of tourists . Including the Acropolis , the most visited tourist attraction in Greece , will be open from 8 am to 19 pm local time. This decision was made in June 2013 , but only since April 2014 , entered into force. Mainly for personnel and organizational reasons . In these facilities will be installed the first access point to the Internet Wi-Fi, and then the practice has spread to 88 museums and archaeological institutions in Greece. And the opportunity to purchase an e-ticket will lead to an increase in attendance of museums and increase their income.