There are a few differences between Labor Day and International Workers’ Day, more commonly known as May Day. One difference is that, unlike Labor Day, May Day is celebrated on May 1 each year.

The first Labor Day was celebrated on Tuesday, Sept. 5, 1882, in New York City, according to the U.S. Department of Labor. A file photo of the first Labor Day parade, which happened in New York City.

Labor Day weekend is quickly approaching. Here's what to know about when the holiday falls this year and the history behind why it's celebrated.

When is Labor Day 2025? Labor Day will be observed on Monday, Sept. 1, continuing a long-standing American tradition of honoring workers and marking the unofficial end of summer.

Labor Day is a federal holiday, which means government offices, including the U.S. Post Office, will be closed. The New York Stock Exchange, Nasdaq stock market, schools, and Costco will be closed.