#猫の日 (Neko no Hi - Cat Day)

Japan’s annual Cat Day celebration held every February 22nd, chosen because the date 2/22 sounds like “nyan nyan nyan” (にゃんにゃんにゃん), the Japanese onomatopoeia for a cat’s meow.

Origin Story

Cat Day (猫の日, Neko no Hi) was established in 1987 by the Cat Day Executive Committee (Neko no Hi Jikkō Iinkai, 猫の日実行委員会), a group formed by cat enthusiast associations and the pet food industry in Japan. The date February 22nd (2/22) was chosen through a nationwide poll because the repeated “2” (ni, にー) creates “ni-ni-ni,” which sounds similar to “nyan-nyan-nyan” (にゃんにゃんにゃん)—the Japanese representation of a cat’s meowing sound.

The selection of this date demonstrates the Japanese linguistic playfulness with number puns (goroawase, 語呂合わせ), a common cultural practice where numbers are matched to words or sounds. In this case, the number 2 (ni or nī) approximates nyan (にゃん), creating an entire day dedicated to the sound of cats meowing.

While the official establishment occurred in 1987, the day remained relatively low-key for its first two decades, primarily observed by pet industry stakeholders and dedicated cat enthusiasts through small events and promotions.

Rise to Social Media Phenomenon

Cat Day transformed from a niche observance into a major cultural event with the rise of social media in Japan, particularly Twitter (now X), which launched in Japan in 2008 and became extraordinarily popular. Japanese internet culture’s pre-existing love for cat content—from neko café (cat cafés) to cat-themed merchandise—found perfect expression in the hashtag #猫の日.

The hashtag began trending nationally on Twitter around 2010-2011, coinciding with the global rise of internet cat culture. By the mid-2010s, February 22nd had become one of the highest-trending days on Japanese social media, with millions of cat photos, videos, illustrations, and messages flooding platforms.

What distinguishes Japanese Cat Day from similar celebrations elsewhere is its integration with Japan’s broader kawaii (cute) culture and the country’s unique relationship with cats. Japan has thousands of cat cafés, cat islands (neko jima like Tashirojima and Aoshima), and a deep cultural history of cats in folklore, art, and urban life.

Cultural Significance in Japan

Japan’s relationship with cats is deeply rooted in history and mythology. Cats arrived in Japan over 1,000 years ago, initially valued for protecting Buddhist scriptures and grain stores from rodents. They appear prominently in Japanese folklore—from the beckoning maneki-neko (招き猫, “beckoning cat”) figurines believed to bring good fortune, to supernatural bakeneko (化け猫, “monster cat”) and nekomata (猫又, two-tailed cat demons) in traditional ghost stories.

The modern Japanese cat obsession reflects several cultural factors:

• High urbanization rates making cats ideal pets for small apartments
• An aging population finding companionship in cats
• The kawaii aesthetic that celebrates cuteness in all forms
• A cultural appreciation for quiet, independent, refined behavior—traits associated with cats
• Economic prosperity allowing pet ownership as a luxury

February 22nd has become a day when this cultural affection finds concentrated expression. Pet food companies launch limited-edition products, cat cafés hold special events, animal welfare organizations promote cat adoption, and social media fills with celebration of feline companions.

How Cat Day is Celebrated

Social Media Participation: The primary way most people celebrate is by posting photos and videos of their cats with #猫の日. Artists share cat illustrations, cat owners showcase their pets, and businesses post cat-themed content. The hashtag regularly generates millions of posts.

Retail and Commerce: Pet stores, cat cafés, and even general retailers release special Cat Day merchandise, limited-edition cat foods and treats, and cat-themed products. Major brands like Felissimo’s neko-bu (cat club) and cat food manufacturers create marketing campaigns around the date.

Cat Cafés and Shelters: Cat cafés across Japan hold special events, discounts, or extended hours. Animal shelters and rescue organizations use the heightened awareness to promote cat adoption and responsible pet ownership.

Media Coverage: Television programs air cat-themed content, news segments feature Cat Day celebrations, and streaming platforms may promote cat documentaries or videos.

Art and Creativity: Digital artists, illustrators, and creators share cat-themed artwork. The day has become a creative prompt in Japanese online art communities.

International Influence and Variations

While Japan’s Cat Day on February 22nd is the most well-known, other countries have their own cat days:

• International Cat Day: August 8th (established by the International Fund for Animal Welfare)
• National Cat Day (USA): October 29th
• Russia: March 1st

However, Japan’s 猫の日 has arguably had the most significant social media impact, influencing how other countries celebrate their respective cat days and contributing to the global phenomenon of internet cat culture.

The hashtag #猫の日 is sometimes used internationally by Japanese culture enthusiasts and has inspired similar date-based animal appreciation days in Japan, including Dog Day (November 1st, 11/1 = wan-wan-wan, the sound of a dog’s bark).

Economic Impact

Cat Day has become economically significant for Japan’s pet industry. The country’s pet cat population exceeds 9 million, and the pet industry is valued at over $15 billion annually. February sees a notable spike in cat-related product sales, with retailers reporting that Cat Day promotions can generate sales comparable to seasonal events.

The day also drives traffic to cat cafés, veterinary services offering special check-ups, and cat-themed tourist destinations. Some municipalities with famous cat populations (like Tashirojima, the “Cat Island”) experience increased tourism around Cat Day.

By The Numbers

• Date established: 1987
• Annual Twitter posts (estimated): 3-5 million+ on February 22nd in Japan
• Japan’s pet cat population: ~9.5 million (as of 2024)
• Cat cafés in Japan: 300+ establishments
• Typical Cat Day post engagement: 2-3x higher than regular cat content
• Global reach: Hashtag used in 50+ countries, though predominantly in Japan

Related Hashtags and Culture

• #ねこ (#neko) - General cat content in Japanese
• #猫好き (#nekozuki) - “Cat lover”
• #猫カフェ (#nekocafe) - Cat café
• #保護猫 (#hogoneko) - Rescue cat/protected cat
• #猫のいる暮らし (#nekonoirukurashi) - “Life with cats”
• #にゃんすたぐらむ (#nyanstagram) - Cat Instagram content

Modern Evolution

In recent years, Cat Day has expanded beyond simple photo-sharing to include:

• Live-streaming events from cat cafés and cat islands
• Virtual cat adoption events
• Charity fundraisers for cat welfare organizations
• Corporate social responsibility campaigns around cat welfare
• Cat-themed AR filters and digital experiences
• Cat Day merchandise collaborations with artists and brands

The celebration has also taken on an advocacy dimension, with animal welfare organizations using the day’s visibility to promote messages about responsible pet ownership, spaying/neutering, and the importance of adopting rescue cats rather than purchasing from breeders.

猫の日 represents a uniquely Japanese fusion of linguistic playfulness, cultural affection for cats, commercial opportunity, and digital community celebration—a single day where millions unite to honor their feline companions and share in collective appreciation of cats’ place in Japanese life and culture.

Last updated: February 2026 Part of the Hashpedia project — hashpedia.org