| Event | Date |
|---|---|
| Start of the first round | 15 September 2021 |
| SOI Workshops | October–November 2021 |
| End of the first round | 30 November 2021 |
| SOI Day | January 2022 |
| SOI Camp | February 2022 |
| Second round theoretical part (2T) | March 2022 |
| Second round practical part (2P) | March 2022 |
| Finals | May 2022 |
| EGOI in Turkey | 26 June–2 July 2022 |
| IOI in Indonesia | 7–14 August 2022 |
| CEOI | Summer 2022 |