Picture this: You’ve finally made it to Paris, Florence, or Amsterdam. The weather’s perfect, you’ve got your sightseeing planned, and you’re on your way to the museum you’ve been looking forward to visiting. Then, you see the dreaded sign: “Closed on Mondays.” It’s one of the most common travel surprises, and if you’ve ever wondered why museums around the world seem to have collectively chosen Monday as their day off, you’re not alone. The short answer is that Monday is when museums catch their breath, but there’s more to it than you think.

Monday Closures Don’t Mean a Day Off

While many galleries tend to be void of visitors on Mondays, this is often one of the busiest days of the week for museum staff. After welcoming thousands of visitors over the weekend, many museums need time for a weekly reset before doing it all over again. Floors get cleaned, exhibits are repaired, lighting is adjusted, and security systems are tested. New exhibitions are installed, artwork is moved, and staff can work on behind-the-scenes projects that aren’t possible to complete during opening hours.

The Work You Never See

We all know that museums display art and artifacts. But an equally important role — one that isn’t always as obvious — is preserving them. Many of the pieces on display are surprisingly fragile. Paintings, textiles, manuscripts, and photographs all need regular inspections, and some can only be exposed to light for a certain amount of time before they need to be rotated off display. Having a day without visitors gives conservators the chance to check humidity levels, repair damage, and care for the collections without crowds or distractions. 

Why Monday?

There’s a practical reason museums chose Monday as the day to close: For many destinations, Mondays are one of the quieter, if not the quietest, days of the week for tourism and foot traffic. Rather than closing during the busy weekend, museums stay open when demand is highest and schedule maintenance for a day that has less of an impact on visitors and the museum’s overall profit. This is also common practice among restaurants and shops, especially across Europe, as well as parts of Asia and North America. 

Famous Museums Closed on Mondays

Some of the world’s best-known museums stick to the Monday closure tradition, including Florence’s Uffizi Gallery and Accademia Gallery, Paris’ Musée d’Orsay and Musée de l’Orangerie, the Tokyo National Museum, and the Getty Center in L.A. If you’re planning a trip, it’s worth checking opening hours ahead of time, especially if your itinerary includes a Monday.

Museums That Break the Rule

Luckily, not every museum follows the same pattern. So, if you find yourself in a travel destination on a Monday, don’t worry — you’ll likely find a handful of museums that buck the trend, staying open while their competitors shut down and benefiting from the extra visitors. 

The Louvre, for example, stays open on Mondays and closes on Tuesdays instead, giving visitors the option to spread their museum touring out over the week. The Art Institute in Chicago is also closed on Tuesdays, while the Met in New York City is closed on Wednesdays.

Meanwhile, many other museums are open seven days a week, including the British Museum in London, the Prado Museum in Madrid, and the Rijksmuseum in Amsterdam. And in Washington, D.C., most Smithsonian museums open their doors to visitors every day except Christmas.

Moral of the story: If museum visits are an important part of your travel itinerary, avoid disappointment and check museum hours before you finalize your trip. Even within the same city, museums often have different schedules, and holiday hours can vary throughout the year. A quick look before you head out can save you from showing up to locked doors — on Monday or otherwise.