11 a.m. Robert Castelli, Greg Ball and others host a hearing on hydrofracking, at 26 Bedford Road in Katonah.

11 a.m. The City Council's Progressive Caucus responds to Michael Bloomberg's executive budget, on the City Hall steps.
 
11 a.m. James Sanders and Organizing for New York members rally for "Wall Street Reform," at 234-26 Merrick Blvd. in Laurelton.

Noon: Michael Bloomberg presents his 2011 executive budget in the Blue Room at City Hall. The event will air live here.

1 p.m. The City Council has a hearing on the sale of water liens, at 250 Broadway.

1 p.m. The City Council has a hearing on straphanger safety, in the City Council Chambers in City Hall.

1:30 p.m. Steve Levy discusses Medicaid reform on the 20th Floor of 61 Broadway.

2 p.m. Rob Astorina makes an announcement about public employee benefits, at 148 Martine Avenue in White Plains.

6 p.m. Jim Gennaro has a birthday party fund-raiser, at 233 Broadway.

6 p.m. Micah Kellner has a fund-raiser at 2 East 75th Street.

6 p.m. Keith Wright and others are honored by the Concerned Democratic Coalition of Northern Manhattan, in Suite A at 5000 Broadway.

6 p.m. The Samuel Tilden Democratic Club has a fund-raiser at 125 Mulberry Street.

6 p.m. The Erie County Democratic Club has a cocktail reception at 561 Main Street in Tonawanda.

6:30 p.m. There's a candidates' forum for those running for State attorney general, at 484 Washington Avenue in Brooklyn.

7 p.m. Log Cabin Republicans drink at Galanga Garden, 136 9th Avenue.

7:45 p.m. Bloomberg attends the Ireland Fund's annual dinner gala, at Lincoln Center.