Labor Day is a federal holiday in the United States observed on the first Monday of September. In 2025, Labor Day will fall on Monday, September 1.
Labor Day is a day to celebrate and honor the American labor movement and the contributions of workers to the country’s economy and society. The holiday was first proposed in the late 19th century by the Knights of Labor, a national labor union, and was first celebrated in 1882. In 1894, Labor Day became a federal holiday.