The International Day of Mathematics (IDM) is a worldwide celebration. Each year on March 14 all countries will be invited to participate through activities for both students and the general public in schools, museums, libraries and other spaces.
Recent news
March 14 is already celebrated in many countries as Pi Day because that date is written as 3/14 in some countries and the mathematical constant Pi is approximately 3.14.
The International Day of Mathematics is a project led by the International Mathematical Union with the support of numerous international and regional organizations.
Join the 2025 celebration
The best way to celebrate the IDM is to host your own event.
Publish it in our map
We'll help people in your town find out about your event.During 2024 people and organizations all over the world hosted events in their cities:
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The theme for 2025: Mathematics, Art, and Creativity
Every year we announce a theme to flavor the celebration, spark creativity and bring light to connections between mathematics and all sorts of fields, concepts and ideas.
The 2025 IDM theme celebrates the creativity found in mathematical discovery and art. Using mathematics in art opens doors to new ideas, beautiful and captivating creations.
We invite everyone to celebrate mathematics, art, and creativity, showcasing the harmony of logic and imagination, where numbers dance with colors, equations sculpt beauty, and ideas transcend boundaries to inspire and innovate. Creativity unites mathematics and art, fields that may seem separate, but were originally intertwined, both seeking to reveal the beauty of the universe.
These are the official translations of the theme to different languages:
English (US) | Mathematics, Art, and Creativity |
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Chinese (Simplified) | 数学、艺术与创意 |
Chinese (Traditional) | 數學、藝術與創意 |
French | Mathématiques, Art, et Créativité |
German | Mathematik, Kunst und Kreativität |
Korean | 수학, 예술 그리고 창의 |
Portuguese | Matemática, Arte, e Criatividade |
Spanish | Matemáticas, Arte y Creatividad |
Creative worldwide challenges
Each year we invite you to participate in a creative challenge along with your class, family, friends, colleagues or community.
In 2020, you made short videos showing the many ways that Mathematics is Everywhere.
See the 2020 videoIn 2021, you used mathematics to create posters sharing ways to make the world better.
Visit the 2021 poster galleryIn 2022, you teamed up, or explored your town, to take pictures with mathematics.
Explore the 2022 photo galleriesIn 2023 , you surprised us with your creativity and artistry creating unique comics with mathematics.
Explore the comic gallery