Time difference between Guam and San Juan
Compare the current local time in Guam and San Juan, see when your working hours overlap, and convert any specific hour between the two timezones.
How do I convert a specific time?
What's the working-hours overlap?
When Guam's 9:00–17:00 business hours overlap with San Juan's.
How do you schedule across Guam and San Juan?
Scheduling between Guam and San Juan is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 2 hours between San Juan closing at 17:00 local and Guam opening at 09:00 local. Practical bridging slots: an early Guam start at 07:00 (catching San Juan just at close, 17:00), or a late San Juan call at 19:00 (catching Guam at opening, 09:00).
What's the quick reference?
| 🇬🇺 Guam | 🇵🇷 San Juan | In San Juan 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 | — | — |
What's the daylight saving status?
🇬🇺 Guam
Guam does not observe daylight saving time. The local offset is fixed year-round.
🇵🇷 San Juan
San Juan does not observe daylight saving time. The local offset is fixed year-round.