LONGER HOURS The Metropolitan Museum is open until 9 p.m. during the weekend leading up to the New Year in order to accommodate holiday crowds (Today through Saturday, 10 a.m.-9 p.m., 1000 Fifth Ave. at 82nd Street, 212-570-3961, $20 donation suggested, $10 students and seniors, free for members and children). The Guggenheim Museum also keeps special holiday hours, remaining open today and Monday (Today through Monday, today, Saturday, and Sunday, 10 a.m.-5:45 p.m., Friday, 10 a.m.-7:45 p.m., Monday, 11 a.m.-6 p.m., 1071 Fifth Ave. at 89th Street, 212-423-3500, $18 general, $15 students and seniors, free for children and members), and the American Museum of Natural History keeps late hours until Sunday (Today through Saturday, 10 a.m.-6:45 p.m., 79th Street and Central Park West, 212-769-5100, $14 general, $10.50 seniors and students, $8 children, free for members).

LITTLE MARIE AT THE CHRISTMAS PARTY Lincoln Center presents the New York City Ballet, which dances George Balanchine’s “The Nutcracker,” a classic holiday piece about a young girl who receives a magical gift on Christmas Eve. Through Saturday, dates and times vary, Lincoln Center, NewYork State Theater, 20 Lincoln Center Place, Amsterdam Avenue at 65th Street, $30-$110. For complete information, go to nycballet.com.

REMEMBERING CHRISTMASTIME NYC Discovery Tours revisits Christmas with a tour of sites specific to Victorian Christmases of the 19th century. Sites include Gramercy Park, the Ladies Mile, and Chelsea. Saturday, 2 p.m., meeting point disclosed at reservation, 212-465-3331, $14.

CULTURAL CELEBRATIONS Kwanzaa is an annual holiday celebrating African and black cultures. The American Museum of Natural History presents an all-day Kwanzaa celebration, featuring performances by the Universal African Dance and Drum Ensemble and Broadway actor Tsidii Le Loka. Saturday, 11 a.m.-5 p.m., American Museum of Natural History, 79th Street and Central Park West, 212-769-5100, $14 general, $10.50 seniors and students, $8 children, free for members.

EIGHT DAYS “Light x Eight: the Hanukkah Project” features works by eight contemporary artists who explore the transformative qualities of light. Artists include Teresita Fernández, Spencer Finch, and Kirsten Hassenfeld. Through Sunday, February 4, Saturday-Wednesday, 11 a.m.-5:45 p.m., Thursday, 11 a.m.-8 p.m., the Jewish Museum, 1109 Fifth Ave. at 92nd Street, 212-423-3200, $12 general, $10 seniors, $7.50 students, free for children and members.