Born on January 14

World Logic Day

Think it through, together.

Next: January 14, 2027

Where it comes from

On 26 November 2019, UNESCO's General Conference proclaimed 14 January World Logic Day, to bring the history and everyday importance of logic, the study of how we reason, to a wider public.

How it's celebrated

Universities, schools, research institutes and logic societies hold lectures, workshops, puzzle sessions and public talks, coordinated by the International Council for Philosophy and Human Sciences (CIPSH), which keeps an archive of each year's events around the world.

Did you know

UNESCO points out that computer science and digital technology are rooted in logical and algorithmic reasoning.

Read the full story of World Logic Day

Star sign

Capricorn · December 22 – January 19 · Earth sign

Patient and ambitious, climbing steadily to the top.

What's your World Day?

中文