San Diego to Tokyo Time Converter
Tokyo is +16h ahead of San Diego
Quick converter
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FROM
San Diego
United States
UTC-07:00
TO
Tokyo
Japan
UTC+09:00
Date-aware conversion
Convert a specific date and time
Result
Thu, May 28, 2026 08:03
San Diego: Wednesday, May 27, 2026 4:03 PM PDT to Tokyo: Thursday, May 28, 2026 8:03 AM GMT+9.
Tokyo is 16h ahead of San Diego on this date
24-Hour Comparison
Every hour in San Diego and the corresponding time in Tokyo. Green rows indicate business hours in Tokyo.
Time zones
San Diego uses America/Los_Angeles (PDT) and Tokyo uses Asia/Tokyo (GMT+9). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Tokyo. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for San Diego and Tokyo
The easiest overlap starts around 5:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About San Diego
San Diego is located in United States (North America). It uses the America/Los_Angeles timezone with a standard offset of UTC-07:00. It observes DST, switching between PST and PDT. See the full San Diego time page for live clock and planning details.
About Tokyo
Tokyo is located in Japan (Asia). It uses the Asia/Tokyo timezone with a standard offset of UTC+09:00. It does not observe Daylight Saving Time. See the full Tokyo time page for live clock and planning details.