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| Name | Start time |
|---|---|
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-08-18 01:30:01 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-08-17 01:17:04 |
| International Olympiad in Informatics 2025 Day 2 (IOI 2025 Day 2) | 2025-08-04 01:00:00 |
| International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1) | 2025-08-02 23:19:59 |
| Asia-Pacific Informatics Olympiad 2025 (APIO 2025) | 2025-05-20 04:51:24 |