Every August 8, cat lovers across the globe pause to celebrate one of humanity's oldest companions. But 2026 is shaping up to be the biggest International Cat Day yet, with a bold new climate-focused theme, a first-of-its-kind global cat census, and viral challenges that could send your cat to internet stardom.

What Is International Cat Day and Why Does It Exist?

International Cat Day is an annual global observance on August 8 that honors cats, raises awareness of feline welfare, and encourages adoption. It was created in 2002 by the IFAW to spotlight the needs of an estimated 600 million cats worldwide, roughly half of whom are unowned, stray, or feral.

According to the International Fund for Animal Welfare (IFAW), approximately 220 million cats live as pets while 480 million are stray or feral, exposed to injury, neglect, and disease. International Cat Day was built to change that ratio, one adoption at a time.

The day has since expanded into something much larger. It now drives awareness campaigns, shelter adoption drives, social media challenges, and educational content reaching tens of millions of people across more than 47 countries.

When Is International Cat Day 2026?

International Cat Day 2026 falls on Saturday, August 8, 2026. The date is fixed to August 8 every year, no shifting for weekends or public holidays.

Here's a 10-year reference table:

Why Is International Cat Day Celebrated on August 8?

August 8 was the date chosen by the International Fund for Animal Welfare (IFAW) when it created International Cat Day in 2002. No single symbolic reason has been officially documented for choosing August 8 specifically, but the IFAW selected it as a fixed annual date to give global momentum to cat welfare awareness. The date has remained August 8 ever since.

This question comes up because cat lovers encounter several "cat days" on the calendar and understandably get confused. Here's how they differ:

• February 17 — World Cat Day in Italy
• March 1 — World Cat Day in Russia and Poland
• August 8 — International Cat Day (global, coordinated by iCatCare)
• October 16 — Global Feral Cat Day (US-focused)
• October 27 — National Black Cat Day
• October 29 — National Cat Day (United States, founded 2005 by Colleen Paige)

August 8 is the only globally recognized observance, which is why it carries the most international reach.

What's the Difference Between International Cat Day and National Cat Day?

International Cat Day (August 8) is a worldwide observance managed by UK charity International Cat Care, focused on global feline welfare and education. National Cat Day (October 29) is primarily a US holiday, founded in 2005 by animal welfare advocate Colleen Paige, with a strong focus on shelter cat adoption and domestic rescue.

History of International Cat Day: From IFAW to iCatCare

International Cat Day didn't start as a social media trend. It started as a welfare call.

• 2002 The International Fund for Animal Welfare (IFAW) founded International Cat Day on August 8 to draw global attention to the welfare of cats, wild, stray, and domestic. The IFAW remains one of the world's leading animal welfare organizations.
• 2020 Custodianship officially transferred to International Cat Care (iCatCare), a UK-based not-for-profit charity that has been working to improve cat health and welfare since 1958. As of August 3, 2020, iCatCare became the formal coordinator of the day.
• 2023–2025 iCatCare ran annual themed campaigns under the #CelebrateCats and #CatFriendlyEveryDay banners, sharing educational content about feline behavior, veterinary care, and shelter support.
• 2026 The theme shifts to "Cats for Climate" — iCatCare's most ambitious campaign to date.

What's New for International Cat Day 2026?NEW

This is the section competitors miss entirely. Here's what's happening specifically in 2026:

2026 Theme: "Cats for Climate"

iCatCare's 2026 theme connects cat adoption to environmental impact. Adopting a cat from a shelter rather than purchasing from a breeder is estimated to save approximately 1.5 tonnes of CO₂ per adoption, a figure tied to the resources, transport, and breeding operations involved in commercial cat breeding.

The campaign encourages cat lovers to:

• Adopt from shelters instead of buying from breeders
• Share the #CatsForClimate message on social media
• Support iCatCare's education initiatives globally

Global Cat Census 2026

For the first time ever, a coordinated World Cat Census launches on August 8, 2026. Cat owners worldwide can upload one clear photo of their cat to worldcatcensus.org between 00:00–23:59 UTC. The data will help scientists track breed distribution, color patterns, and indoor/outdoor ratios across the globe.

#CatWindowChallenge2026 (Purina & Felix)

Sponsored by Purina and Felix, this challenge asks owners to:

• Film their cat watching the world from a window — for exactly 8 seconds
• Post the video with #CatWindowChallenge2026
• Top prize: a £5,000 / $8,000 donation to the winner's chosen shelter.

Shelter Events Around the World

What's the Google Paw Print Easter Egg on August 8?

Every year on International Cat Day, Google adds a hidden cat Easter egg to its search results. Here's how to trigger it:

1. Open Google on your phone or desktop
2. Search "International Cat Day" or "cat"
3. Look for the paw print icon that appears beneath the search bar, to the left
4. Tap or click it — a virtual cat's paw reaches across the screen and leaves a pawprint
5. Keep clicking — different breeds of cats leave marks across the page, each with its own meow or purr
6. Hit the "×" button at the bottom to clear the screen

First confirmed in 2022, the Easter egg has delighted millions of users who stumble across it. Sharing it has become a tradition of its own.

How to Celebrate International Cat Day 2026

Official Hashtags for International Cat Day 2026

Save these before August 8:

• #InternationalCatDay2026
• #CatsForClimate
• #CatWindowChallenge2026
• #SunsetMeow2026
• #AdoptDontShop8Aug
• #WorldCatCensus
• #InternationalCatDay

International Cat Day Deals 2026 💰

Based on prior years, expect promotions from:

How Do Brands Celebrate International Cat Day?

International Cat Day has become a significant content moment for brands beyond just pet retailers.

• Purina & Felix — Run coordinated campaigns tied to their annual shelter sponsorships; in 2026, they're backing the #CatWindowChallenge2026 with a £5k/$8k prize fund
• Chewy — Historically runs 24-hour flash sales and shares adoptable cat profiles across social media
• PetSmart — Partners with local shelters for in-store adoption events on August 8
• Cats Protection (UK) — Runs its "£8 Adoption" campaign annually, waiving or reducing fees for the day
• Best Friends Animal Society (US) — Coordinates its "Empty the Shelters" national adoption drive around August 8
• MLB teams — Several teams including the Blue Jays have used August 8 for feline-themed social posts
• Jackson Galaxy (cat behaviorist and TV host) — Uses the day to promote responsible cat ownership through his brand and media channels

The day generates significant earned media. Brands that post cat content on August 8 consistently see above-average engagement, making it a reliable content calendar moment even for non-pet businesses.

All the Cat Days in 2026: The Complete Calendar

Never miss a feline holiday again:

How Is International Cat Day Celebrated Around the World?

15 Fast Cat Facts Worth Knowing

1. Cats share 95% of their DNA with lions and tigers (joiipetcare.com)
2. There are an estimated 600 million cats worldwide — about 220 million pets and 480 million stray or feral (IFAW)
3. The US leads all countries with approximately 74 million pet cats
4. Cats sleep roughly 70% of their lives — about 15 hours a day on average
5. The world's oldest recorded cat was Creme Puff, who lived in Texas from 1967 to 2005 — reaching 38 years and 3 days old
6. Cats can produce up to 100 different vocalizations; dogs make roughly 10
7. Cats can reach speeds of up to 30 mph — fast enough to beat Usain Bolt in a sprint
8. Every cat's nose print is unique, like a human fingerprint
9. Cats only meow at humans, not at other cats (except kittens calling for their mothers)
10. The loudest purr on record belongs to Merlin, a British cat, at 67.8 decibels
11. Over 80% of cats over age 4 have some form of dental disease (joiipetcare.com)
12. Black cats remain the least adopted in most shelters due to persistent superstitions
13. Cats were domesticated approximately 3,600 years ago by the ancient Egyptians, who called them "Mau"
14. Cats were brought aboard early colonial ships to control rodents, helping spread them globally
15. Approximately 3.2 million cats are adopted from US shelters each year (National Today survey data)

Where to Adopt a Cat on International Cat Day 2026

If you're considering adoption, August 8 is one of the best days to act — shelters worldwide reduce fees and run adoption drives specifically for the occasion.

United States

• Best Friends Animal Society — runs "Empty the Shelters" (bestfriends.org)
• Local ASPCA chapters and municipal shelters
• Petco Love — connects adopters with local rescue partners in-store

United Kingdom

• Cats Protection — "£8 Adoption" event on August 8 (cats.org.uk)
• RSPCA — offers rehoming services nationwide (rspca.org.uk)

International

• iCatCare maintains a global network of cat welfare resources at icatcare.org
• EU shelters in participating countries will offer free microchipping with adoption in 2026

Frequently Asked Questions