9:30 a.m. NYC Taxi & Limousine Commission meeting and public hearing; 40 Rector St., 5th floor.
10 a.m. Council Member Bill de Blasio urges State Assembly to enact legislation that would allow child protective services to conduct criminal background checks on children’s guardians suspected of abuse; City Hall Steps.
10:30 a.m. Parks Department breaks ground for Lieutenant Joseph Petrosino Square; Kenmare, Lafayette, and Cleveland streets.
11 a.m. Anti-police brutality activists announce launch of the Peoples’ Justice CopWatch program; One Police Plaza.
11 a.m. Bronx and Manhattan borough presidents kick off 100th anniversary of the University Heights Bridge; University Heights Bridge, at Fordham Road by the Major Deegan Expressway.
11 a.m. to 2 p.m. WNYC holds stoop sale of station knick-knacks in preparation for their move out the Municipal Building; 1 Centre St.
Noon. Community groups demand reform of the Department of Buildings; City Hall Steps.
Noon. Council Member Letitia James and homeless advocates march across the Brooklyn Bridge to City Hall to protest the D.H.S. plan to move the men’s homeless intake center in Manhattan to the Bedford Atlantic Armory in Brooklyn; protesters meet at Brooklyn Bridge and march to City Hall Steps.
6 p.m. Chinatown Film Festival concert to benefit China earthquake victims; 100 Lafayette St.
6:15 p.m. Paul Simon performs at The Children’s Health Fund’s annual gala; Sheraton New York Hotel & Towers, 811 7th Ave., at 53rd Street.
6:30 p.m. Screening and discussion of the PBS documentary, “Anyone and Everyone”; The Lesbian, Gay, Bisexual & Transgender Community Center, 208 West 13th St.
7 p.m. John McCain hosts Town Hall Meeting; Federal Hall, 26 Wall St.
7 p.m. Congressman Ed Towns hosts predatory lending seminar; Hebron Baptist Church, 601 Willoughby Ave.