Time difference between San Diego and Tokyo
Compare the current local time in San Diego and Tokyo, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When San Diego's 9:00–17:00 business hours overlap with Tokyo's.
San Diego working hours
Tokyo working hours
Overlap (both working)
🇺🇸 San Diego
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🇯🇵 Tokyo
Scheduling across San Diego and Tokyo
Scheduling between San Diego and Tokyo is hard. Their standard business hours do not overlap on the same day, but the two working days meet at a single point: San Diego's close at 17:00 coincides exactly with Tokyo's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇺🇸 San Diego | 🇯🇵 Tokyo | In Tokyo it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 San Diego
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026
🇯🇵 Tokyo
Tokyo does not observe daylight saving time. The local offset is fixed year-round.