| 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 | 8 January 2022 |
| SOI Camp | 12 – 19 February 2022 |
| Second round theoretical part (2T) | 4 – 7 March 2022 (5h slot of choice) |
| Second round practical part (2P) | 10 – 14 March 2022 (5h slot of choice) |
| Finals | 5/6, 19/20 May 2022 |
| EJOI hosted by Ukraine (Online) | 19 –25 September 2022 |
| EGOI in Turkey | 16 – 23 October 2022 |
| IOI in Indonesia | 7 – 14 August 2022 |
| CEOI | Summer 2022 |