Extended Trading Hours
Investors in the United States can generally start trading at 4:00 a.m., but the majority of extended trading occurs between 8:00 a.m. and 9:30 a.m. EST. Similarly, investors may trade until 8:00 p.m. after the stock exchanges close, but the majority of extended trading occurs before 6:30 p.m.Apr 14, 2020
Extended Trading Definition and Hours - Investopedia