Science & Technology Days & Observances 2026

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31 days & observancesNext: World Usability Day — November 12 (Tomorrow)

Explore all science & technology days & observances in one place. The list below is sorted by date for 2026 and updates automatically every year, so you always know what is coming next — and can open each day for its history, facts, wishes and quotes.

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Science & Technology Days & Observances in 2026 — Month by Month

January 1

DateDayObservanceStatus
January 2FridayNational Science Fiction DayNext: January 2, 2027

March 1

DateDayObservanceStatus
March 14SaturdayNational Pi dayNext: March 14, 2027

April 1

DateDayObservanceStatus
April 29WednesdayNational Astronomy DayNext: April 29, 2027

June 3

DateDayObservanceStatus
June 1MondayNational Windows DayNext: June 1, 2027
June 21SundayNational Selfie DayNext: June 21, 2027
June 30TuesdayWorld Social Media DayNext: June 30, 2027

July 1

DateDayObservanceStatus
July 1WednesdayNational Zip Code DayNext: July 1, 2027

August 3

DateDayObservanceStatus
August 19WednesdayNational Aviation DayNext: August 19, 2027
August 20ThursdayNational Radio DayNext: August 20, 2027
August 24MondayNational Pluto Demoted DayNext: August 24, 2027

September 3

DateDayObservanceStatus
September 3ThursdayNational Skyscraper DayNext: September 3, 2027
September 15TuesdayNational IT Professional DayNext: September 21, 2027
September 16WednesdayNational Guacamole DayNext: September 16, 2027

October 5

DateDayObservanceStatus
October 14WednesdayNational Fossil DayNext: October 13, 2027
October 16FridayWorld Anaesthesia DayNext: October 16, 2027
October 23FridayNational Mole DayNext: October 23, 2027
October 24SaturdayWorld Development Information DayNext: October 24, 2027
October 29ThursdayNational Internet DayNext: October 29, 2027

November 10

DateDayObservanceStatus
November 8SundayWorld Radiography DayNext: November 8, 2027
November 10TuesdayWorld Science Day for Peace and DevelopmentNext: November 10, 2027
November 12ThursdayWorld Usability DayTomorrow
November 20FridayAfrica Industrialization Dayin 9 days
November 21SaturdayWorld Television Dayin 10 days
November 23MondayFibonacci Dayin 12 days
November 24TuesdayEvolution Dayin 13 days
November 28SaturdayRed Planet Dayin 17 days
November 30MondayComputer Security Dayin 19 days
November 30MondayCyber Mondayin 19 days

December 3

DateDayObservanceStatus
December 7MondayInternational Civil Aviation Dayin 26 days
December 11FridayNational App Dayin 30 days
December 17ThursdayWright Brothers Dayin 36 days

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Patriotic & History 206Seasons & Festivals 197Family & Relationships 155Food & Drink 130Culture & Heritage 119Love & Romance 94Religious 94Awareness & Causes 75Arts & Entertainment 64Career & Work 58Health & Wellness 54Education & Learning 44Animals & Pets 41Science & Technology 33Environment & Nature 31Fun & Quirky 23Sports & Hobbies 20
National Days 474Public Holidays 257International & World Days 202Religious Holidays 91Awareness Weeks & Months 7

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