IMO 2021 Programme
July 14-24, 2021
| Date | Event |
| July 14 – 18 | Technical testing of communication with national IMO Exam Centres |
| July 16 | The Official Programme for Leaders and Observers A begins |
| July 18 | Online Opening Ceremony of IMO 2021 |
| July 19 – 20 | Contest days |
| July 21-23 | Out-of-contests program:
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| July 21-23 | Coordination |
| July 23 | Final jury meeting |
| July 24 | Online Closing Ceremony |