Wednesday 02 Jan Berchtoldstag
Friday 29 Mar Good Friday Monday 01 Apr Easter MondayWednesday 01 May Labour Day
Thursday 09 May Ascension Day
Monday 20 May Whit MondayThursday 01 Aug National Day
Wednesday 25 Dec Christmas Day
Thursday 26 Dec St.Stephen's Day
Source: http://www.six-swiss-exchange.com/shares/trading/trading_calendar/calendar/2013/grid_en.html