Is Helsinki open on Monday 18 October 1999?

Yes

Yes. Helsinki is open on Monday 18 October 1999, trading from 10:00 to 18:30 GMT+3 (Helsinki time).

10:00–18:30 GMT+3

Regular hours

Related markets on 18 Oct 1999

LSE	08:00–16:30
Xetra	09:00–17:30
Euronext Paris	09:00–17:30
SIX	09:00–17:30
NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00
B3	10:00–17:00
TSE Tokyo	09:00–15:00
HKEX	Double Ninth Festival (observed)