Advent of CyberTryHackMe Advent of Cyber
Daily security and hacking challenges (December 1 to 24) · usually held in December · 2028
2026–2030 calendar
Tech competitions highlighted (⚡), science olympiads, hackathons and more. Filter by age and click an event for details.
Long registration periods appear only on the days they open and close.
This month's competitions
7 dates
No competition with a confirmed date this month.
Daily security and hacking challenges (December 1 to 24) · usually held in December · 2028
Daily programming puzzles (online) · usually held in December · 2028
Hour of AI: free activities · usually held in December · 2028
International Junior Math Olympiad Global Finals · usually held in December · 2028
Competition · usually held in December · 2028
STEAM AHEAD Grand Gathering & Global Finals · usually held in December · 2028
World Artificial Intelligence Competition for Youth Global Finals · usually held in December · 2028
Confirmed: official days · Month announced: days to be confirmed · Estimate: the month it is usually held, not announced yet · No forecast: date unknown.
Dates checked on the organizers' official websites and calendars (last review on November 6, 2026). They may change: always confirm on the official website before registering or traveling.