NBA announces key dates for 2021-22 season, including opening night on Oct. 19Training camp starts on Sept. 28 and Playoffs will begin on April 16, 20226/10/2021, 7:50 PMColin MartinFreelance Editorial ProducerMay 23, 2021; New York, New York, USA; Fan are on their feet during the second half in game one in the first round of the 2021 NBA Playoffs between the Atlanta Hawks and the New York Knicks at Madison Square Garden. / Seth Wenig/Pool Photo-USA TODAY Sports