Is TWSE open on Friday 23 January 2004?

No. TWSE is closed on Friday 23 January 2004 for Chinese New Year. It reopens on Tuesday 27 January 2004.

Chinese New Year

Related markets on 23 Jan 2004

TSE Tokyo	09:00–15:00
HKEX	The second day of Chinese New Year
SSE	Chinese New Year (Spring Festival)
KRX	Seollal (New Year's Day by the lunar)
NSE	09:55–15:30
SGX	Chinese New Year
ASX	10:00–16:00
NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00