5 p.m.: Mercer Regional Chamber of Commerce Annual Hall of Fame Dinner; Hyatt Regency Princeton.
7 to 9 p.m.: Har Sinai Temple presents a public discussion on “Contemporary Parenting in the Age of the Internet and Social Networking”; Har Sinai Temple, 2421 Pennington Road, Hopewell Township.
8 p.m.: Orpheus Chamber Orchestra with Arabella Steinbacher, violin, 91 University Place.
10 a.m. to 8 p.m.: The Spring Shoppes at Johnson Park fundraising event; 285 Rosedale Road, Princeton. Open to the public.
4:30 p.m.: Princeton University Center for the Study of Religion presents Eboo Patel, Founder & President of Interfaith Youth Care, to lecture on “Defeating Intolerance: Social Science Research & Strategies for Interfaith Cooperation”; Guyot 10, Princeton University.
5:30 to 7:30 p.m.: A.R.T. Exhibition Opening: Out of Our Minds; Arts Council of Princeton, Paul Robeson Center.
7:30 to 9:30 p.m.: Princeton Borough and Township Residents: “Princeton Revaluation Update and Final Decision”; Township Hall, 400 Witherspoon Street.
9 a.m.: Cranbury Station Gallery hosts YWCA’s Stand Against Racism!; 28 Palmer Square East.
10 a.m. to 4 p.m.: Arbor Day Celebration; Terhune Orchards, 330 Cold Soil Road, Princeton.
5 to 8 p.m.: Hopewell Borough Cruise Night; Broad Street, Hopewell.
6:30 to 9:30 p.m.: Pinot to Picasso ~ Vintage 2011 fundraiser; Technology Center of Princeton.
7 to 8 p.m.: Celebration of the International Dance Day and Princeton Arts Week; Albert Hinds Plaza and the Princeton Public Library Community Room. Free.
9:15 a.m.: The Zonta Club of Trenton/Mercer is sponsoring its 11th Annual R.A.V.E. (Rape and Violence Eradication) Walk; Veterans Park, Hamilton.
9:30 a.m. to 4:30 p.m.: Friends of the Lawrence Library Book Sale; 2751 Brunswick Pike.
10 a.m. to 2 p.m.: Princeton Barnes & Noble Job Fair; Marketfair Mall, US Route 1 South.
10 a.m. to 4 p.m.: The Annual Rutgers Day with performances, tours, exhibits, activities, lectures, and more; New Brunswick and Piscataway.
Noon to 4 p.m.: Garden State African Violet Club Show & Sale, “Violets in Tune”; Mercer County Community College Student Center, 1200 Old Trenton Road, West Windsor. Also Sunday from 11 a.m. to 3 p.m.
Noon to 5 p.m.: Communiversity: Festival of the Arts; Downtown Princeton on Nassau and Witherspoon Streets, Palmer Square green, and throughout the University campus.
5 to 10 p.m.: Spring Garden Gala “Wild About Flowers”; Bowman’s Hill Wildflower Preserve Visitor Center, 1635 River Road.
7 p.m.: Dark Star Orchestra, the ultimate Grateful Dead cover band; McCarter Theatre.
Noon to 5 p.m.: 13th Annual Jubilee; Lawrenceville Main Street.
1 p.m.: Opening of three exhibitions of contemporary sculpture; Grounds For Sculpture, Hamilton.
3 p.m.: Richardson Chambers Players; Richardson Auditorium, Alexander Hall, Princeton University.
3 p.m.: NJDEP Commissioner Bob Martin to Speak at Friends of Princeton Open Space Annual Meeting; Mountain Lakes House, 57 Mountain Avenue.
4 p.m.: Nassau Presbyterian Church presents organist Robert P. Ridgell in recital; Nassau Street, Princeton.
6 p.m.: Dorothea’s House closes this season’s monthly lecture series with Princeton native, Dr. Nancy C. Carnevale, “A New Language, A New World: Italian Immigrants in the United States, 1890-1945”;120 John Street, Princeton.
5 p.m.: Public Lecture by Valerie B. Jarrett, Senior Advisor to President Barack Obama and Chair of the White House council on Women and Girls; Douglass Campus Center, Rutgers University, 100 George Street.
10 a.m. to 4 p.m.: VNA of Central Jersey presents Stately Homes By The Sea Designer Show House; Navesink River Road, Locust, Middletown Township, N.J. For more information, call (732) 224-6780. Through June 12.
8 p.m.: The Philadelphia Orchestra; Stern Auditorium, Carnegie Hall, 881 Seventh Avenue, New York City.
4 p.m.: Orientation Session: Volunteer Opportunities for Teens; Princeton Public Library.
3:45 to 5:30 p.m.: The Arts Council of Princeton presents a Cinco de Mayo Celebration; Michael Graves Terrace at the Paul Robeson Center, 102 Witherspoon Street.
9:30 a.m.: The Piano Teachers Forum monthly meeting; Jacobs Music, Route 1, Lawrence Township.
1 p.m.: Princeton Senior Resource Center hosts the film, Letters to Juliet; Suzanne Patterson Building.
7 to 10 p.m.: Princeton High School Jazz Concert Series, Big Band Dance; The Cranbury School, Main Street, Cranbury.
9 a.m. to 1 p.m.: West Windsor Community Farmers Market Opens 8th Season; Vaughn Drive Parking Lot of the southbound Princeton Junction Train Station.
9 a.m. to 4 p.m.: Morven Museum & Garden’s annual heirloom plant sale; 55 Stockton Street.
10 a.m. to 5 p.m.: Terhune Orchards Kite Day; Terhune Orchards, 330 Cold Soil Road.
Noon: Great Strides Walk to Cure Cystic Fibrosis; Mercer County Park.
6:30 to 11:30 p.m.: SAVE hosts its 11th Annual Gala Benefit, Whiskers in Wonderland; Princeton Airport.
8:30 to 11:30 p.m.: Central Jersey Dance Society presents Salsa Sensation; Suzanne Patterson Center, Monument Drive.
Mother’s Day
3 to 5 p.m.: Free Meditation Class; Plainsboro Public Library, 9 Van Doren Street.
Recycling
Noon to 2 p.m.: Darla Rich Quartet; Hopewell Valley Bistro & Inn, 15 East Broad Street.
7:30 p.m.: Poetry in the Library presented by the Princeton Public Library, US1 Poets Cooperative and Delaware Valley Poets; Princeton Public Library, second floor.
7 p.m.: Rick Recht Live in Concert at the Yom Ha’atzmaut Festival; Congregation Beth Chaim, 329 Village Road East, Princeton Junction.
7 p.m.: “Morning Joe” TV co-host Mika Brzezinski discusses his book, Knowing Your Value: Women, Money and Getting What You’re Worth; Barnes & Noble, 3535 US Route 1 South.
7 p.m.: Engaged Retirement & Encore Career Speaker Series: Celia Lidz, “Senior Travels: pack your pills and leave your doctors behind”; Princeton Public Library.
7:30 p.m.: Princeton Macintosh Users Group meeting; Friend Center, Princeton University.
8 p.m.: Dr. Ken Kremer speaks on “What is Beyond for NASA: Shuttle, Station, Orion, SpaceX and Robots” at the Amateur Astronomers Association of Princeton; Peyton Hall, Princeton University.
10 a.m. to 3 p.m.: Mercer Regional Chamber of Commerce Spring Business Expo; Cedar Gardens, Route 33, Hamilton.
12:30 p.m.: Kosher Café East; Beth El Synagogue, 50 Maple Stream Road, East Windsor.
8 to 10 a.m.: Breakfast Seminar on The Risk of Ignoring Millennials; Main Street Euro-American Bistro; Princeton Shopping Center.