Time difference between Osaka and San Diego
Compare the current local time in Osaka and San Diego, 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 Osaka's 9:00–17:00 business hours overlap with San Diego's.
Osaka working hours
San Diego working hours
Overlap (both working)
🇯🇵 Osaka
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🇺🇸 San Diego
Scheduling across Osaka and San Diego
Scheduling between Osaka and San Diego 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 Osaka's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇯🇵 Osaka | 🇺🇸 San Diego | In San Diego 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
🇯🇵 Osaka
Osaka does not observe daylight saving time. The local offset is fixed year-round.
🇺🇸 San Diego
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026