Tokyo to San FranciscoTime Converter

Tokyo to San Francisco: the time difference

On 2026-10-05 at 9:00 AM in Tokyo, it is 5:00 PM in San Francisco (Sunday, October 4, 2026). San Francisco is 16 hours behind of Tokyo.

Tokyo keeps Japan Standard Time throughout the year. A repeating call with a city that changes clocks can still move by one hour in Tokyo even though Tokyo itself does not change. San Francisco uses America/Los_Angeles, the Pacific Time identifier for this region. A Bay Area afternoon often overlaps with the following morning in East Asia.

24-hour conversion table

Source date: 2026-10-05 in Tokyo. Each row is a real instant; the destination date is shown explicitly. Repeated hours appear twice and nonexistent hours are labeled.

Does the time difference change during 2026?

Yes. The daily reference calculation finds 16 and 17-hour differences across the year. A repeating meeting tied to one city's clock can move on the other city's calendar.

Ranges sample each date at 12:00 UTC. A transition can occur partway through the first or last date. Use the converter for the precise instant. Calculated from this build’s Intl time-zone rules; future legislation may change them.

Tokyo: No UTC offset change is found in the 2026 reference data. The offset is UTC+09:00.

San Francisco: The 2026 reference data includes UTC−08:00 and UTC−07:00. Select the actual meeting date: one fixed offset will not describe the whole year.

Best time to call San Francisco from Tokyo

For a one-hour call on 2026-10-05, these example start times fit a 9 AM–6 PM workday in both cities. A shared workday is not a guarantee that a person is free.

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