The theme for the larger WorldPride festivities is “Millions of Moments of Pride,” and the Grand Marshals for the march are the cast of FX’s Pose UK Black Pride founder Phyll Opoku-Gyimah Navy veteran and transgender flag creator Monica Helms the Gay Liberation Front, which formed in the aftermath of Stonewall and the Trevor Project, which provides crisis counseling for LGBTQ youth. So what do you need to know if you want to attend? Read on. The march begins at noon on Sunday, June 30 it will wrap up sometime in the evening.