Sunday 01 Jan New Year’s Day
Monday 02 Jan St. Berchtold’s Day
Friday 06 Apr Good Friday
Monday 09 Apr Easter Monday
Tuesday 01 May Labour Day
Thursday 17 May Ascension Day
Monday 28 May Whit monday
Wednesday 01 Aug Swiss National 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.pa.ethz.ch/rechtliches/2320_an_gesetze/Feiertage_2012_en.pdf