26 November 2025: call for proposals of Workshops and Special Sessions
31 December 2025: deadline for the proposals submission
17 February 2026: 1st call for abstracts
17 March 2026: 2nd call for abstracts
17 April 2026: deadline for abstracts submission
27 April 2026: publication of accepted abstracts
4 May 2026: opening of registrations with a discounted fee
22 May 2026: last day for discounted registration fee
12 June 2026: last day for registration
22 June 2026: publication of conference program
6 - 10 July 2026: SigmaPhi2026 Conference