IT and the internet: 108 holidays
January
- January 8 · World Typing Day
- January 15 · Wikipedia Day
- January 17 · Kid Inventors’ Day
- January 25 · International Internet-Free Day
- January 28 · Data Protection Day
February
- February 1 · Change Your Password Day
- February 2 · Non-Destructive Testing Specialists' Day in Russia
- February 6 · World Mobile Phone-Free Day
- February 13 · World Radio Day
- February 14 · Computer Professionals' Day
- February 18 · Battery Day
- February 19 · World Information Management Day
March
- March 1 · Hosting Provider Day in Russia
- March 2 · International Matchstick Day
- March 4 · World Engineering Day for Sustainable Development
- March 5 · Day of Unplugging
- March 7 · Transport and Communications Workers' Day in Turkmenistan
- March 7 · International Laserist Day
- March 12 · World Day Against Cyber Censorship
- March 19 · International Day of Digital Learning
- March 31 · World Backup Day
April
- April 2 · International Fact-Checking Day
- April 4 · Webmaster Day
- April 4 · International Internet Day
- April 7 · Runet Birthday
- April 12 · World Aviation and Cosmonautics Day
- April 14 · World Quantum Day
- April 15 · Russian Armed Forces Electronic Warfare Specialist Day
- April 18 · World Amateur Radio Day
- April 21 · World Creativity and Innovation Day
- April 23 · International Girls in ICT Day
- April 27 · World Morse Code Day
May
- May 3 · Sun Day
- May 5 · Cryptographers' Day in Russia
- May 7 · World Password Day
- May 7 · Radio Day
- May 7 · Russian Navy Communications and Radio Engineering Service Day
- May 16 · International Day of Light
- May 17 · World Telecommunication and Information Society Day
- May 22 · Bitcoin Pizza Day
- May 28 · Runet SEO Specialists' Day
June
- June 1 · Russian Government Communications Anniversary
- June 4 · World Day for Assistive Technology
- June 13 · Sewing Machine Day
- June 14 · International Bloggers’ Day
- June 15 · Global Wind Day
- June 21 · Selfie Day
- June 26 · World Refrigeration Day
- June 27 · Inventors' and Innovators' Day in Russia
- June 29 · Shipbuilder’s Day in Russia
- June 30 · World Social Media Day
July
- July 7 · Esports Day in Russia
- July 8 · Math 2.0 Day
- July 8 · Video Game Day
- July 16 · AI Appreciation Day
- July 17 · World Emoji Day
- July 31 · System Administrator Appreciation Day
August
- August 5 · International Traffic Light Day
- August 7 · Russian FSO Special Communications and Information Service Day
- August 10 · International Biodiesel Day
- August 16 · Wave at Surveillance Cameras Day
- August 23 · Internaut Day
- August 25 · Linux Day
- August 28 · Race Your Mouse Around the Icons Day
- August 29 · Ukraine Aviation Day
- August 29 · World Gamer Day
- August 31 · Blog Day
- August 31 · World Distance Learning Day
September
- September 9 · Software Tester's Day in Russia
- September 10 · International Creepy Boston Dynamics Robotic Horse Day
- September 13 · Programmer's Day in Russia
- September 19 · Inventors and Innovators Day in Ukraine
- September 19 · Emoticon Birthday
- September 24 · World Trenchless Day
- September 24 · Systems Analyst Day in Russia
- September 27 · Machine Builders' Day
- September 27 · Machine Builders' Day in Ukraine
- September 28 · International Day for Universal Access to Information
- September 30 · Internet Day in Russia
October
- October 4 · World Space Week
- October 4 · Russian Space Forces Day
- October 4 · Electronics Industry Workers' Day in Russia
- October 12 · International Day Against DRM
- October 14 · World Standards Day
- October 14 · Standardisation Day in Belarus
- October 14 · International E-Waste Day
- October 22 · Russian Paper-Free Day
- October 22 · International Caps Lock Day
- October 25 · Cable Industry Workers’ Day in Russia
- October 30 · Mechanical Engineer's Day in Russia
November
- November 8 · World Wi-Fi-Free Day
- November 12 · World Usability Day
- November 16 · Radio, Television and Communications Workers' Day in Ukraine
- November 17 · Unfriend Day
- November 21 · World Television Day
- November 26 · World Information Day
- November 29 · Electronic Greetings Day
- November 30 · Cyber Monday
- November 30 · International Computer Security Day
December
- December 2 · World Computer Literacy Day
- December 3 · World Computer Graphics Day
- December 3 · Online Entrepreneur Day
- December 4 · Computer Science Day in Russia
- December 6 · Communications and IT Workers' Day in Azerbaijan
- December 9 · Computer Mouse Birthday
- December 17 · Pan American Aviation Day
- December 17 · Device Appreciation Day
- December 20 · Cathode Ray Tube Day