Opening Celebration for Vishnu's Cosmic Ocean

Sun · Oct 25·3601 Lyon St, San Francisco

Cal Hacks 13.0 (3601 Lyon St, San Francisco) — 36‑hour hackathon offering workshops, industry mentors, corporate partners, food, swag, and prize pool of cash and devices.

Sun · Oct 25·5 AM·Event Location, San Francisco

Cycle Track open until 10:00 AM at Event Location, San Francisco.

Sun · Oct 25·8:30 AM – 4:30 PM·San Francisco, CA (Farallon Islands)

Eight‑hour naturalist‑led whale watching expedition sails from San Francisco under the Golden Gate Bridge to the Farallon Islands, featuring an expert naturalist, $320 per person, ages 13+.

Sun · Oct 25·8:30 AM – 10 AM·SF Botanical Garden · San Francisco

Sophia Di Piazza leads a free guided walk in the San Francisco Botanical Garden, examining pollinators, beetles, true bugs and other insects; $5‑20 suggested donation, all ages.

Sun · Oct 25·10:30 AM – 2:30 PM·200 Larkin Street, San Francisco, CA 94102

Sundays at the Asian Art Museum (200 Larkin Street, San Francisco).

Sun · Oct 25·11:30 AM – 2 PM·200 Larkin Street, San Francisco, CA 94102

Diwali Celebration at 200 Larkin Street, San Francisco.

Tue · Oct 27·12 PM – 4 PM·200 Larkin Street, San Francisco, CA 94102

Takeout Tuesdays: Lunchtime Conversations About Art takes place at 200 Larkin Street, San Francisco.