Monday 09 Apr Easter Monday Tuesday 01 May Labour Day Tuesday 08 May Anniversary of Liberation Thursday 05 Jul Day of Cyril and Metodej Friday 06 Jul Burning at the Stake of John Hus Friday 28 Sep Czech Statehood Day Monday 24 Dec Christmas Eve Tuesday 25 Dec Christmas Day Wednesday 26 Dec St.Stephen's Day Monday 31 Dec New Year's Eve
Source: http://www.pse.cz/dokument.aspx?k=Trading-Calendar-2012