Is B3 open on Monday 21 October 1996?

Yes

Yes. B3 is open on Monday 21 October 1996, trading from 10:00 to 17:00 GMT-2 (São Paulo time).

10:00–17:00 GMT-2

Regular hours

Related markets on 21 Oct 1996

NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00
CME Equity	17:00^{−1 previous day}–16:00
LSE	08:00–16:30
Xetra	No data
Euronext Paris	09:00–17:30
SIX	09:00–17:30
TSE Tokyo	No data
HKEX	Double Ninth Festival (observed)