Is SGX open on Friday 20 February 2015?

No. SGX is closed on Friday 20 February 2015 for Chinese New Year. It reopens on Monday 23 February 2015.

Chinese New Year

Related markets on 20 Feb 2015

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	09:15–15:30
ASX	10:00–16:00
NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00
B3	10:00–17:00