Time difference between Guam and San Jose
Compare the current local time in Guam and San Jose, 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 Guam's 9:00–17:00 business hours overlap with San Jose's.
Guam working hours
San Jose working hours
Overlap (both working)
🇬🇺 Guam
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🇺🇸 San Jose
Scheduling across Guam and San Jose
Scheduling between Guam and San Jose is workable but tight. Only 1 hour of standard business hours overlap each day, from 09:00 to 10:00 in Guam (16:00 to 17:00 in San Jose). Recurring meetings often settle within this narrow window.
Quick reference
| 🇬🇺 Guam | 🇺🇸 San Jose | In San Jose 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
🇬🇺 Guam
Guam does not observe daylight saving time. The local offset is fixed year-round.
🇺🇸 San Jose
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026