As noted recently, WWE is rumored to be moving SmackDown to Thursday nights in the near future. The rumors spread when WWE production trucks at a television taping had graphics that listed SmackDown as airing Thursday nights on SyFy.
As of now, neither WWE or SyFy have officially confirmed the rumors. WWE has acknowledged the possibility of a move, but had yet to confirm it.
Today, SyFy released their upcoming programming guide, which lists WWE SmackDown as airing on Thursday nights beginning on October 2nd.
Check out the SyFy listing at SyFy.com.