Current Time in IANA Etc/GMT+9 Timezone
IANA Name: Etc/GMT+9
Standard Offset: UTC −09:00
Daylight Saving: No
Currently Observing DST: No ❌
Etc/GMT+9: The Zone That Defies Its Name
Etc/GMT+9 is a time zone with a deliberately confusing name: despite saying "GMT+9," its standard offset is actually UTC-09:00. This zone covers a sparsely populated region of the Pacific Ocean, including parts of French Polynesia and the remote Gambier Islands. It is one of the few inhabited zones that never observes daylight saving time, keeping a constant UTC-09:00 all year round.
What the Name Really Means
The "Etc" prefix stands for "Et Cetera," a legacy category for zones that do not follow the usual country/city naming. The numeric part "GMT+9" is the trap: in the Etc system, the sign is reversed. So GMT+9 actually means 9 hours behind UTC, i.e., UTC-09:00. This quirk dates back to early computer time zone databases and remains a common source of confusion.
Where Etc/GMT+9 Applies
This zone is primarily used by the Gambier Islands in French Polynesia (an overseas collectivity of France). The main settlement is Rikitea on Mangareva Island. It also covers the uninhabited Acteon Group and other atolls. The offset is shared with Alaska's standard time (America/Anchorage, etc.) and the Marquesas Islands (Pacific/Marquesas is UTC-09:30, half an hour different). In total, about 1,500 people live in this zone, mostly in the Gambier Islands.
No Daylight Saving Time
Etc/GMT+9 does not observe DST. The offset remains UTC-09:00 every day of the year. This simplifies life for residents: no clock changes, no springing forward or falling back. The zone's low latitude (around 23°S) means daylight hours vary little across seasons, making DST unnecessary.
Key Cities and Locations
- Rikitea (Mangareva, Gambier Islands) – the largest settlement.
- Adamstown (Pitcairn Islands) – technically uses Pacific/Pitcairn (UTC-08:00) but historically linked.
- Uninhabited atolls like Temoe, Morane, and Maria.
Business and Scheduling
Etc/GMT+9 is 9 hours behind UTC. Key overlaps with major business centers:
- New York (UTC-05:00): 4 hours ahead. When it's 9 AM in Rikitea, it's 1 PM in New York.
- London (UTC+00:00): 9 hours ahead. 9 AM local = 6 PM London.
- Tokyo (UTC+09:00): 18 hours ahead. 9 AM local = 3 AM next day Tokyo.
- Los Angeles (UTC-08:00): 1 hour behind. 9 AM local = 8 AM LA.
Other Zones at Same Offset
Several other IANA zones share UTC-09:00 standard offset: America/Anchorage, America/Juneau, America/Metlakatla, America/Nome, America/Sitka, America/Yakutat, Pacific/Gambier, and US/Alaska. However, all Alaskan zones observe DST, shifting to UTC-08:00 in summer. Pacific/Gambier is identical to Etc/GMT+9 but uses a geographic name. Etc/GMT+9 is the only one that never changes.
Frequently Asked Questions
Why is Etc/GMT+9 called GMT+9 when it's actually UTC-09:00?
The Etc zone names use a reversed sign convention. GMT+9 means 9 hours behind UTC, not ahead. This is a historical artifact from early computing systems.
Does Etc/GMT+9 observe daylight saving time?
No. This zone has a constant offset of UTC-09:00 all year. There are no clock changes.
Which inhabited places use Etc/GMT+9?
The main inhabited area is the Gambier Islands in French Polynesia, particularly the village of Rikitea on Mangareva Island. The population is around 1,500.
What is the time difference between Etc/GMT+9 and New York?
New York is on Eastern Time (UTC-05:00 standard, UTC-04:00 DST). During standard time, Etc/GMT+9 is 4 hours behind New York. When DST is in effect, the difference is 5 hours.
Is Etc/GMT+9 the same as Alaska Standard Time?
Yes, the standard offset is the same (UTC-09:00), but Alaska observes DST, so for part of the year Alaska is UTC-08:00. Etc/GMT+9 remains UTC-09:00 year-round.
What is the best time to call someone in the Gambier Islands from Europe?
If you are in London (UTC+00:00), local morning (8 AM–12 PM) in Gambier corresponds to 5 PM–9 PM in London. So early afternoon in Gambier (1 PM–4 PM) is late evening in London (10 PM–1 AM), which may be too late for a call.