New York City's annual Carnival is commonly referred to as Labor Day. As with most carnivals it's celebrated with fetes, concerts, and other events spanning a number of days all across the city. The celebration also includes a giant parade in Brooklyn with masquaders, music trucks, spectators, vendors, and more.
The actual parade is called The West Indian Day Parade or the Labor Day Parade. It's usually held on the first Monday in September, Labor Day. It's organized by the West Indian American Day Carnival Association (WIADCA).
The carnival started in Harlem in the 1930s. The earliest Labor Day street parade was held in 1947 and was moved to Brooklyn in the 1960s. To this day it's one of the largest and most exciting Carnival celebrations in the United States. Anyone who is anyone in the soca world usually comes to New York for Labor Day.