Is B3 open on Monday 4 September 2028?
Yes
Yes. B3 is open on Monday 4 September 2028, trading from 10:00 to 18:00 GMT-3 (São Paulo time).
–
Regular hours
See also B3 hours today and B3 holidays 2028
Related markets on 4 Sep 2028
 NYSE | Labor Day |
| Nasdaq | Labor Day |
 TSX | Labor Day |
| CME Equity | – |
 LSE | – |
 Xetra | – |
 Euronext Paris | – |
 SIX | – |
 TSE Tokyo | – |
 HKEX | – |