While Italy doesn't "shut down" entirely, Monday is a traditional day of "riposo" (rest) for many cultural and commercial sectors. The most significant impact for tourists is that most state-run museums and archaeological sites, including the Uffizi Gallery in Florence and many smaller galleries, are closed on Mondays. However, major "bucket list" icons like the Colosseum and the Vatican Museums (which are closed on Sundays instead) usually remain open. In smaller towns, you will also find that many family-owned restaurants and "mom-and-pop" shops close for the entire day or at least on Monday mornings to recover from the busy weekend. Hair salons and local boutiques also frequently observe Monday closures. In 2026, major metropolitan areas like Rome and Milan have moved toward more consistent seven-day schedules for high-street retail, but the "Monday closure" rule is still very much alive in the arts and local dining. Always check the official website of a specific museum before planning a Monday visit to avoid the disappointment of a locked gate.