When is Monkey Day 2025?

Monkey Day 2025 started on Saturday 13th Dec, 2025 (13/12/2025) 68 days ago

What is Monkey Day?

Monkey Day

Every year on December 14th, a peculiar yet increasingly popular unofficial observance sweeps across the globe, known variously as Monkey Day, World Monkey Day, or International Monkey Day. Far more than just a quirky date on the calendar, this day is dedicated to commemorating and celebrating the fascinating world of monkeys and simians in general. It serves as a lighthearted, yet meaningful, tribute to these intelligent and diverse creatures who share our planet.

The genesis of this distinctive holiday traces back to the spirited halls of Michigan State University. It was during their undergraduate studies that artists Casey Sorrow and Eric Millikin, the creative minds behind the popular online comic "Fetus-X," playfully instigated what would become Monkey Day. The story goes that in 2000, Sorrow, while idly marking up a friend's calendar, jotted down "Monkey Day" next to December 14th. This whimsical, spontaneous doodle quickly resonated with Millikin, who subsequently incorporated the concept into his comic strip. What began as a simple inside joke among friends, fueled by artistic creativity and a shared affection for primates, swiftly gained traction, evolving into a widely recognized, albeit unofficial, global phenomenon.

The Broader Significance of Monkey Day

While the origin of Monkey Day might seem purely whimsical, its growing recognition underscores a deeper appreciation for primates. "Simians" broadly refers to monkeys and apes, encompassing an astonishing array of species, from the tiny pygmy marmoset to the mighty gorilla. These animals play crucial roles in their respective ecosystems, often acting as seed dispersers, pollinators, and indicators of environmental health. For instance, the health of a rainforest can often be gauged by the well-being of its primate populations.

Beyond mere commemoration, Monkey Day has become an informal platform to:

  • Raise Awareness: Highlight the incredible diversity, intelligence, and often precarious existence of primate species worldwide.
  • Promote Conservation: Draw attention to the numerous threats primates face, including habitat destruction, illegal wildlife trade, and climate change. Organizations like the International Union for Conservation of Nature (IUCN) regularly update lists of endangered primate species, many of which are critically threatened.
  • Encourage Education: Foster a deeper understanding of primate behavior, social structures, and their importance to biodiversity. Zoos, wildlife sanctuaries, and educational institutions often host special events on this day.
  • Celebrate Primate Contributions: Acknowledge the significant cultural and scientific impact of primates, from their depiction in folklore and art to their invaluable role in scientific research that has led to breakthroughs in human health.

How is Monkey Day Celebrated?

Celebrations of Monkey Day are as varied and imaginative as the creatures themselves. They often blend humor, art, and education. You might find:

  • Art exhibitions showcasing primate-inspired works.
  • People wearing monkey costumes or incorporating monkey themes into their attire.
  • Educational programs at zoos and wildlife centers focusing on primate conservation.
  • Humorous social media campaigns sharing fascinating facts or funny anecdotes about monkeys.
  • Donations and fundraising efforts for primate rescue and rehabilitation centers.

It’s a day when creativity and conservation playfully intertwine, reminding us of our shared world with these incredible animals.

Frequently Asked Questions About Monkey Day

Is Monkey Day an official holiday?
No, Monkey Day is an unofficial holiday. It is not recognized or sanctioned by governments or international bodies, but rather celebrated informally by individuals, communities, and organizations around the world.
Why was December 14th chosen for Monkey Day?
The date December 14th was chosen serendipitously. It originated from artist Casey Sorrow simply marking "Monkey Day" on a friend's calendar on that specific date in 2000, which was then popularized through Eric Millikin's "Fetus-X" comic.
What is the difference between monkeys and simians?
Simians is a broader taxonomic group that includes monkeys, apes (like chimpanzees, gorillas, and orangutans), and humans. Therefore, all monkeys are simians, but not all simians are monkeys (as the group also includes apes and humans).
What is the main purpose of Monkey Day?
The main purpose of Monkey Day is to celebrate monkeys and simians, raise awareness about their existence, highlight the importance of primate conservation, and encourage public education about these fascinating animals and the threats they face globally.

Dates for Monkey Day from 2015 to 2036

The next occurrence of Monkey Day is marked in red

When is ...?WeekdayDateDays away
Monkey Day 2036SaturdayDec 13th in 3949 days
Monkey Day 2035ThursdayDec 13th in 3583 days
Monkey Day 2034WednesdayDec 13th in 3218 days
Monkey Day 2033TuesdayDec 13th in 2853 days
Monkey Day 2032MondayDec 13th in 2488 days
Monkey Day 2031SaturdayDec 13th in 2122 days
Monkey Day 2030FridayDec 13th in 1757 days
Monkey Day 2029ThursdayDec 13th in 1392 days
Monkey Day 2028WednesdayDec 13th in 1027 days
Monkey Day 2027MondayDec 13th in 661 days
Monkey Day 2026SundayDec 13th in 296 days
Monkey Day 2025SaturdayDec 13th 68 days ago
Monkey Day 2024FridayDec 13th 433 days ago
Monkey Day 2023WednesdayDec 13th 799 days ago
Monkey Day 2022TuesdayDec 13th 1164 days ago
Monkey Day 2021MondayDec 13th 1529 days ago
Monkey Day 2020SundayDec 13th 1894 days ago
Monkey Day 2019FridayDec 13th 2260 days ago
Monkey Day 2018ThursdayDec 13th 2625 days ago
Monkey Day 2017WednesdayDec 13th 2990 days ago
Monkey Day 2016TuesdayDec 13th 3355 days ago
Monkey Day 2015SundayDec 13th 3721 days ago
Data provided 'as is' without warranty

Quick Facts

Start DateDec 13, 2025
When? Ended 68 days ago
Duration1 Day
Type Other Days

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