
Labor Day may be best known as the unofficial end of summer, but for investors, it’s also a day when U.S. financial markets take a break. In 2025, Labor Day falls on Monday, September 1, giving most workers—and the stock market itself—a long weekend. If you’re wondering whether you can place trades on the holiday, it’s important to know the schedule in advance to avoid any surprises. Here’s what you need to know about stock market hours on Labor Day 2025 and the rest of this year’s trading calendar.