Thursday 01 Jan New Year's Day
Tuesday 06 Jan Epiphany Monday 23 Feb Clean Monday Monday 25 Mar 25th of March Friday 10 Apr Good Friday Sunday 12 Apr Easter Sunday Monday 13 Apr Easter Monday Friday 01 May Labor Day / May Day Monday 01 Jun Holy Spirit MondaySaturday 15 Aug Dormition of the Holy Virgin
Wednesday 28 Oct The Ochi Day
Friday 25 Dec Christmas DaySaturday 26 Dec Synaxis of the Mother of God
Source: http://www.timeanddate.com/holidays/greece/2015#!hol=9