• Sep. 15 Deadline for proposals for workshops, tutorials, and special sessions
• Oct. 01 Opening of online paper submission
• Oct. 15 Notification of acceptance/rejection for proposals for workshops, tutorials, and special sessions
• Dec. 20 Full paper submission deadline
• Dec. 20 (AoE) Strict deadline of paper submission, when authors have to fix title, authors, affiliation, and abstract. AoE = Anywhere on Earth.
• Jan. 03 (AoE) Strict deadline of revising the paper before reviewing
• Feb. 21 Feb.29 Notification of paper acceptance/rejection. After that, registration will start.
• Mar. 06 Mar. 14 (AoE) Deadline to upload camera-ready papers
• Mar. 20 April. 2 (AoE) Early bird registration deadline
• Apr. 26 (AoE) Deadline to submit a presentation video
• Apr. 30 (AoE) Strict deadline for full registration to publish an accepted paper in the proceedings
• Apr. 30 (AoE) Standard registration deadline
• May 22 (AoE) Strict deadline for general registration
  Extended to Aug 31 (JST).
• May 25 (JST) The first day of advance viewing, where only registered participants can view presentation videos.
• Aug 31 (JST) The last day of advance viewing
• Sep 1 (JST) The first day of public viewing, where only a part of the presentation videos will be publicly viewable.

We will accept your proposals for papers, workshops, tutorials, and special sessions if the proposals satisfy the quality that the SPro2020 committee expect. Interested researchers should check the following instructions.