The Democratic debate stage will be a bit less crowded in the next debate, with only six candidates qualifying to participate so far. >> Read more trending news The departure from the presidential race of Sen. Kamala Harris. D-Calif., someone who had qualified for every debate, has cut the field to six a week from the qualifying deadline. In addition to Harris, those who were on the stage in November but will be missing from the December debate are Sen. Cory Booker, D-N.J., Rep. Tulsi Gabbard, D-Hawaii, and entrepreneur Andrew Yang. When the debate process began in June, there were nearly two dozen candidates who debated on consecutive nights. As the months have passed, candidates have dropped out of the race or have been unable to meet the progressively more difficult qualifications set out by the Democratic National Convention. Here’s what we know about the next debate: Date: The debate is set for Dec. 19. Time: While the time has not been officially announced, the last few debates have begun at 8 p.m. ET. Who is hosting: PBS NewsHour and Politico. How to watch: It will be broadcast on PBS CNN, CNN International, CNN en Español, and will stream on CNN.com’s homepage, PBS.com’s home page, and Politico.com’s homepage. In addition, the debate will be available across mobile devices via CNN’s apps for iOS and Android, via CNNgo apps for Apple TV, Roku, Amazon Fire, Chromecast and Android TV and SiriusXM Channels 116, 454, 795. Where: Loyola Marymount University in Los Angeles. Who has qualified: Former Vice President Joe Biden Mayor Pete Buttigieg Sen. Amy Klobuchar Entrepreneur Tom Steyer Sen. Bernie Sanders Sen. Elizabeth Warren When is the deadline for qualifying: Candidates have until 11:59 p.m. on Dec. 12 to meet both donor and polling requirements. They need to prove they have at least 200,000 unique donors, including at least 800 donors in at least 20 states. They also have to reach either 4% in at least four national or early-state polls or reach 6% in two early-state polls.