Every cycle of news + important dates we've captured for Zonal Informatics Olympiad, oldest cycles at the bottom. Live information is on the main exam page; this archive preserves what each previous cycle officially announced.
Students who cleared ZIO 2026 can now register for the Indian National Olympiad in Informatics (INOI). The registration deadline is in the coming weeks, and participants must complete enrollment to be eligible for the national-level competition.
Archived 5 Jul 2026
The Indian Association for Research in Computing Science (IARCS) has announced ZIO 2026 results. Qualified students can now check their scores and eligibility for INOI on the official portal. Successful candidates will receive detailed instructions for the next round.
Archived 5 Jul 2026
IARCS has published preliminary information for ZIO 2027, including recommended topics in algorithms, data structures, and problem-solving. Students preparing for the next cycle should focus on computational thinking and programming fundamentals.
Archived 5 Jul 2026
The official IARCS website now features updated practice problems and past ZIO question papers. These resources are designed to help students strengthen their algorithmic problem-solving skills for upcoming Olympiad competitions.
Archived 5 Jul 2026
IOITC selection camp (tentative period begins)
Fri, 16 Apr, 2027Training camp for International Olympiad in Informatics team selection
Archived 5 Jul 2026
🏅INOI 2027 exam date
Wed, 17 Mar, 2027Indian National Olympiad in Informatics conducted for ZIO qualifiers
Archived 5 Jul 2026
INOI 2027 registration for ZIO qualifiers
Mon, 15 Feb, 2027Registration window opens for qualified students to enroll in INOI
Archived 5 Jul 2026
ZIO 2027 results announcement
Wed, 10 Feb, 2027Results published on IARCS website with list of qualifiers for INOI
Archived 5 Jul 2026
🏅ZIO 2027 exam date
Mon, 11 Jan, 2027Zonal Informatics Olympiad examination conducted at designated centers
Archived 5 Jul 2026
ZIO 2027 registration deadline
Looking for the current cycle? Back to live ZIO page →
Last date to complete registration for ZIO 2027
Archived 5 Jul 2026
ZIO 2027 registration opens
Fri, 23 Oct, 2026Online registration portal opens for next year's Zonal Informatics Olympiad
Archived 5 Jul 2026