Guam — Pacific/Guam
The current local time in the Pacific/Guam IANA time zone is shown below. It is the tz database identifier used in Guam in the area around Guam. The zone is currently at UTC +10:00 · GMT+10 and does not observe daylight saving time.
Pacific/Guam
Monday, 12 October 2026 GMT+10
Zone information
Offset & DST
Current UTC offset: +10:00
Daylight saving: Not observed
Countries using Pacific/Guam
Guam vs. major cities
How far Guam is from the world's main business centres right now, what time it is there when the working day starts in Guam, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.
| City | Difference | At 09:00 in Guam | Shared office hours |
|---|---|---|---|
| New York · United States | −14 h | 19:00 (prev. day) | None |
| Los Angeles · United States | −17 h | 16:00 (prev. day) | 09:00–10:00 |
| São Paulo · Brazil | −13 h | 20:00 (prev. day) | None |
| London · United Kingdom | −9 h | 00:00 | None |
| Paris · France | −8 h | 01:00 | None |
| Johannesburg · South Africa | −8 h | 01:00 | None |
| Dubai · United Arab Emirates | −6 h | 03:00 | 15:00–17:00 |
| Delhi · India | −4:30 h | 04:30 | 13:30–17:00 |
| Singapore · Singapore | −2 h | 07:00 | 11:00–17:00 |
| Beijing · China | −2 h | 07:00 | 11:00–17:00 |
Shared office hours are shown in Guam time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.
Clock changes in Guam
Since 1970, Guam has gone through 6 distinct time-keeping periods, observing daylight saving time in 4 of 57 years. Since 1978 it has stayed on UTC +10:00 all year.
No clock changes are scheduled in 2026 or 2027: Guam stays on UTC +10:00 all year.
Time zone history since 1970
| Years | Offset | Daylight saving |
|---|---|---|
| 1970–1971 | UTC +10:00, DST UTC +11:00 | Daylight saving dates varied from year to year |
| 1972 | UTC +10:00 all year | No daylight saving time |
| 1973 | UTC +11:00 all year | No daylight saving time |
| 1974–1975 | UTC +10:00 all year | No daylight saving time |
| 1976–1977 | UTC +10:00, DST UTC +11:00 | Daylight saving dates varied from year to year |
| 1978–2026 | UTC +10:00 all year | No daylight saving time |
Source: IANA tz database, as shipped with the Unicode ICU library.
Zones on the same clock as Guam
All IANA zones →These zones show the same time as Pacific/Guam on every day of 2026. Their histories may differ.
More references for Pacific/Guam
Compare Pacific/Guam against other zones with the converter, map, and world clock, or browse the full directory.