International Day of Mathematics 2021

The second International Day of Mathematics will be celebrated on March 14, 2021 and the theme is Mathematics for a Better World.

The global celebration will start as March 14 begins in Oceania and end 48 hours later at the end of March 14. It will consist of liveblogging pictures and videos from IDM events worldwide, posters, announcements and more. Posting can be done on Facebook, Twitter, and Instagram, using the hashtag #idm314.

The main event will be a series of short online talks for a general audience on mathematics and how it can make the world better. There will be three sessions in three different languages: English, French, and Spanish. The talks will be streamed live through the IDM website completely free and without any need to sign up. It will take place from 14:00 UTC to 18:05 UTC. The programme of main events is available here.

The Mathematics for a Better World Poster Challenge generated 2100 proposals and you can view some of the best posters here