Tuesday 01 Jan New Year's Day
Sunday 06 Jan Epiphany
Monday 18 Mar Ash Monday
Monday 25 Mar Independence Day
Wednesday 01 May Labour Day
Friday 03 May Orthodox Good Friday
Monday 06 May Orthodox Easter Monday
Monday 24 Jun Holy Spirit Monday
Thursday 15 Aug Assumption Day
Monday 28 Oct The Ochi Day
Wednesday 25 Dec Christmas Day
Thursday 26 Dec Boxing Day
Source: http://www.officeholidays.com/countries/greece/2013.asp