Friday 06 Jan Epiphany Day Friday 06 Apr Good Friday Monday 09 Apr Easter Monday Tuesday 01 May Labour Day Thursday 17 May Ascension Day Monday 28 May White Monday Thursday 07 Jun Corpus Christi Day Wednesday 15 Aug Assumption Day Friday 26 Oct National Holiday Thursday 01 Nov All Saint's Day Monday 24 Dec Christmas Eve Tuesday 25 Dec St.Stephen's Day Wednesday 26 Dec Boxing Day Monday 31 Dec Exchange Holiday
Source: http://en.indices.cc/static/cms/sites/indices/media/de/pdf/calculation/2012/at_holiday_2012.pdf