Calendar 2026–27
Every registration window, test day, results date and international event in one place. This calendar is the official record. If a date here differs from anywhere else, this one applies.
Next up
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- Registration opens
- Registration closes
- National round (test day)
- Submissions close
- Results published
- Team announced
- International event
What happens when
October 2026
5 events- Submissions close
International Astronomy Olympiad
Week of 19 October 2026 (exact date to be confirmed)
Recordings and answer sheets must be submitted by the end of this week.
- Registration closes
International Tournament of Young Mathematicians
26 October 2026
Pakistan's team must be registered by this date.
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November 2026
4 eventsDecember 2026
5 events- International event
International Astronomy Olympiad
6–14 December 2026, Andizhan, Uzbekistan
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January 2027
5 events- Registration opens
International Earth Science Olympiad
January 2027 (exact date to be confirmed)
Exact opening date to be confirmed.
- International event
International Tournament of Young Mathematicians
24–31 January 2027, Tsaghkadzor, Armenia (online participation available)
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February 2027
1 event- National round (test day)
International Earth Science Olympiad
20 February 2027
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July 2027
1 event- International event
International Linguistics Olympiad
21–28 July 2027, Bangkok, Thailand
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Every date by olympiad
Dates still being confirmed are highlighted.
| Olympiad | Event | Date |
|---|---|---|
| International Linguistics OlympiadIOL | Registration opens | 1 December 2026 |
| Registration closes | To be announced | |
| National round (test day) | 23 January 2027 | |
| Results published | To be announced | |
| Team announced | To be announced | |
| International event | 21–28 July 2027, Bangkok, Thailand | |
| International Earth Science OlympiadIESO | Registration opens | January 2027 |
| Registration closes | To be announced | |
| National round (test day) | 20 February 2027 | |
| Results published | To be announced | |
| Team announced | To be announced | |
| International event | To be announced | |
| International Astronomy OlympiadIAO | Registration closes | 12 October 2026 |
| National round (test day) | To be announced | |
| Submissions close | Week of 19 October 2026 | |
| Results published | 22 October 2026 | |
| Team announced | Week of 26 October 2026 | |
| International event | 6–14 December 2026, Andizhan, Uzbekistan | |
| International Geography OlympiadiGeo | Registration opens | 1 November 2026 |
| Registration closes | 20 December 2026 | |
| National round (test day) | 9 January 2027 | |
| Results published | To be announced | |
| Team announced | To be announced | |
| International event | 2027, dates to be announced, Jelgava, Latvia | |
| International Philosophy OlympiadIPO | Registration opens | 1 November 2026 |
| Registration closes | 20 December 2026 | |
| National round (test day) | 16 January 2027 | |
| Results published | To be announced | |
| Team announced | To be announced | |
| International event | To be announced | |
| International History OlympiadIHO | Registration opens | To be announced |
| Registration closes | 10 November 2026 | |
| National round (test day) | 21 November 2026 | |
| Results published | 5 December 2026 | |
| Team announced | To be announced | |
| International event | Summer 2027, venue to be announced | |
| International Logic OlympiadILO | Registration opens | To be announced |
| Registration closes | To be announced | |
| National round (test day) | To be announced | |
| Results published | To be announced | |
| Team announced | To be announced | |
| International event | 2027, dates to be announced, Stanford University, USA | |
| International Tournament of Young MathematiciansITYM | Registration closes | 26 October 2026 |
| Team announced | To be announced | |
| International event | 24–31 January 2027, Tsaghkadzor, Armenia (online participation available) |
International event dates are set by each olympiad's organisers. Pakistan's participation is subject to their confirmation.