SSB is always the last full weekend of October.
2024: October 26 – 27
This is the Clubs only closed event for members and Guests only
The CQ WW is the largest Amateur Radio competition in the world. Over 35,000 participants take to the airwaves on the last weekend of October (SSB) and November (CW) with the goal of making as many contacts with as many different DXCC entities and CQ Zones as possible.
https://www.cqww.com/rules.htm