Day Date Month Holiday
Friday 01 Jan New Year
Thursday 04 Feb No Trading.
Friday 05 Feb Market opens only for Clearing & Settlement.
Sunday 07 Feb Lunar New Year's Eve
Monday 08 Feb Spring Festival
Tuesday 09 Feb Spring Festival
Wednesday 10 Feb Spring Festival
Thursday 11 Feb Spring Festival
Friday 12 Feb Spring Festival
Sunday 28 Feb Peace Memorial Day
Monday 29 Feb Adjusted Holiday
Monday 04 Apr Children's Day, Tomb-sweeping Day
Tuesday 05 Apr Adjusted Holiday
Sunday 01 May Labor Day
Monday 02 May Adjusted Holiday
Thursday 09 Jun Dragon Boat Festival
Friday 10 Jun Adjusted Holiday
Thursday 15 Sep Mid-autumn Festival
Friday 16 Sep Adjusted Holiday
Monday 10 Oct National Day
Source: http://www.twse.com.tw/en/trading/trading_days.php