Time in Simi Valley, United States

Time zone: PDT (UTC/GMT -07:00) — America/Los_Angeles

The local standard in Simi Valley is PDT — UTC-07:00, or 7 hours behind UTC. Systems that store time zones by name use America/Los_Angeles for this part of the world.

Expect a clock change on Sunday, 01 November 2026: Simi Valley switches to PST, moving back by 1 hour. Until that date the UTC-07:00 offset above holds.

Simi Valley is one of 419 United States cities here, spread over 10 time zones; do not assume the rest of the country reads the same clock.

With a population near 126,788, Simi Valley comes in 140th of the 212 United States cities we list.

Live differences from Simi Valley, calculated from each zone's rules as they stand today rather than a fixed table.

Overlap of a normal working day, shown in Simi Valley time — outside these windows one side is off the clock.

No shared working window exists with London, Paris, Dubai or Mumbai, so those calls have to sit outside somebody's normal hours.

No difference at all from Simi Valley: the cities below share the America/Los_Angeles zone.

Los Angeles San Jose San Francisco San Francisco Seattle Las Vegas Sacramento Bakersfield