Is B3 open on Monday 19 February 2018?

Yes

Yes. B3 is open on Monday 19 February 2018, trading from 10:00 to 17:00 GMT-3 (São Paulo time).

10:00–17:00 GMT-3

Regular hours

Related markets on 19 Feb 2018

NYSE	Presidents' Day
Nasdaq	Presidents' Day
TSX	Family Day
CME Equity	17:00^{−1 previous day}–12:00
LSE	08:00–16:30
Xetra	09:00–17:30
Euronext Paris	09:00–17:30
SIX	09:00–17:30
TSE Tokyo	09:00–15:00
HKEX	The fourth day of Chinese New Year