Clockwork Alchemy, the San Francisco Bay Area’s premiere steampunk, science fiction, fantasy, and alternate history event is pleased to announce the dates of our 2025 convention. This year, Clockwork Alchemy will be held in the fall, from Friday, October 24 through Sunday, October 26, 2025.

Take advantage of the spooky and magical harvest season with this year’s convention theme: Gaslight Fantasy. Think of late 19th through early 20th century science fiction infused with the wonder of magic! Fans of stories such as The Night Circus, Fantastic Beasts and Where to Find Them, The Call of Cthulhu, Shadow and Bone, The Nevers, and Carnival Row and more will delight in our weekend of music, shopping, dancing, panels, workshops, martial arts, and more!
Clockwork Alchemy
October 24-26, 2025
Clockwork Alchemy 2025: Gaslight Fantast will be held at the Grand Bay Hotel SF in Redwood City. Discounted hotel rates are available for attendees of the convention, as well as free parking.
Grand Bay Hotel San Francisco
223 Twin Dolphin Drive
Redwood City, CA 94065