Cleaning Day (Kuriiningu no Hi)

What Is Cleaning Day?

September 29th is "Cleaning Day," based on the wordplay "ku (9) - rīni (2) - ngu (9)", sounding like "cleaning." It was established in 1982 by the national federation of cleaning business associations (now the All Japan Federation of Cleaning Sanitation Industry Associations, known as Zenkuren) to encourage consumers to use professional cleaning more and to raise the industry's own cleaning skills.

Why Is September 29th "Cleaning Day"?

The date comes from the wordplay "ku (9) - rīni (2) - ngu (9)," sounding like "cleaning." Autumn is also the season for switching out wardrobes, making it a fitting time to care for summer clothes and prepare winter ones.

• Wordplay: 9 ("ku") + 2 ("rīni") + 9 ("ngu") = "cleaning."
• Established in 1982: By the national federation of cleaning associations (today's Zenkuren). It was also certified by the Japan Anniversary Association in 2025.
• Wardrobe-changing season: Late September is the perfect time to care for clothing.

The Role of Professional Cleaning

Professional dry cleaning removes stains that are hard to handle at home and is an important service for extending the life of clothing.

• Specialized washing: Dry cleaning and special treatments protect garments.
• Finishing techniques: Pressing and shape restoration keep clothes looking sharp.
• Improved hygiene: Effective at removing bacteria and odors.

Things Worth Reviewing on Cleaning Day

Clothing care affects not just appearance but also hygiene and longevity.

• Maintenance before storing seasonal clothes: Remove sweat and oil stains before putting clothes away.
• Material-appropriate care: Leave wool, silk, and down items to professionals.
• Regular cleaning: Suits and coats benefit from seasonal cleaning.

Interesting Facts About Cleaning Day

• The history of dry cleaning: It is said to have begun in 19th-century France, when dyer Jean-Baptiste Jolly noticed that spilled lamp oil removed stains from a tablecloth. In Japan, Hakuyosha is said to have first offered dry cleaning in 1907.
• Licensed cleaners: Under Japan's Cleaning Business Act, every cleaning shop must have a nationally licensed "cleaning technician" (kuriiningu-shi).
• Environmental considerations: Eco-friendly detergents and energy-saving equipment have become more common in recent years.
• Difference from home washing: Professional treatment can be tailored to specific stains and fabrics.

Ways to Enjoy Cleaning Day

• Send your summer clothes for cleaning all at once before the seasonal changeover.
• Look up material-specific care methods to make your favorite clothes last longer.
• Check for discount campaigns at cleaning shops.
• Organize your closet and review what clothing you actually need.

Caring for Your Clothes Means Caring for Your Life

September 29th's "Cleaning Day" is a chance to reconsider how you care for your clothes and to think about clean, comfortable living. Take good care of your favorite garments so you can enjoy them for years to come.