| Deadline | Action |
| April 1. | registration opening |
| June 15. | submission of abstracts • extended at the requests of Participants |
| June 19. | feedback on abstracts |
| July 3. | payment of early bird registration fees |
| October 1. | payment of registration fees |
| October 13. | notification on extension to full papers • extended due to negotiation delays |
| November 15. | publication of the tentative program |
| November 28. | sending video presentations to the Organizers • extended at the requests of Participants |
| December 6. | beginning of the DSTA 2021 |