Archaeological sites and museums remain closed on:
Orthodox Easter Sunday
On the following days, the opening hours are as follows:
January 6: 8:00-15:00
Ash Monday: 8:00-15:00
Orthodox Good Friday: closed until 12:00
Orthodox Holy Saturday: 8:00-15:00
Orthodox Easter Monday: 8:00-15:00
October 28: 8:00-15:00
As the rest of the year the opening hours of museums and sites may vary depending on the season (summer or winter), it is better to check before visiting.
Important Note: Entrance fees are to be paid at the entrance of museums & sites in Euros.