IANA tz database · zone identifier

Pacific/Marquesas

The IANA tz database identifier for Marquesas Time in French Polynesia. Store this string — not the abbreviation, not the offset — and your timestamps stay correct forever.

UTC-09:30Abbreviation -0930No daylight saving
Time in Pacific/Marquesas☾ Night
04:38:55
Thursday, October 15, 2026
Offset
UTC-09:30
Abbreviation
-0930
DST
No DST

Current offset

UTC-09:30

same year-round

Abbreviation

-0930

tzdb uses numeric abbreviations here

DST behaviour

None

one offset all year

Country

🇵🇫 French Polynesia

ISO 3166: PF · view country page →

Using this identifier

The string to put in your code.

Pacific/Marquesas is the identifier to use in code and config for this region. Every modern language, database, and OS resolves it through the same tz database, so the examples here behave identically everywhere.

Avoid storing -0930 or -09:30 — abbreviations are ambiguous and fixed offsets can't follow rule changes.

// format a date in this zone
new Intl.DateTimeFormat('en-US', {
timeZone: 'Pacific/Marquesas',
dateStyle: 'full', timeStyle: 'long'
}).format(new Date());

Offset & DST behaviour

One offset,
114 years.

Pacific/Marquesas has kept UTC-09:30 year-round since 30 September 1912 — no daylight saving and no offset changes on record since. It is among the most stable identifiers in the database.

Every offset this zone has kept

−09:18:00UTC-09:30 · UNCHANGED 30 September 1912 NOW

Keeping this offset since

30 September 1912

Next transition

None scheduled

no DST rules exist for this zone

Safe to assume

Local = UTC − 9:30h, always

…but store the identifier anyway

Technical record

The database entry, in full.

source: IANA tz database · release 2026e

IdentifierPacific/Marquesas
ISO country codePF🇵🇫 French Polynesia
Reference coordinates9.00°S, 139.50°Wtz database reference point
Standard offsetUTC-09:30abbreviation -0930
Daylight offset—no daylight saving time
tzdb release2026edata current as of this IANA release

Where it applies

One of French Polynesia's 3 zones.

🇵🇫
French Polynesia

279K people, 3 time zones — this identifier covers one of them.

Country page →

Frequently asked questions

Answers specific to this identifier — generated from the database record. Can't find what you need? Email [email protected].

What UTC offset is Pacific/Marquesas?
Pacific/Marquesas is UTC-09:30, year-round. The offset never changes because the zone does not observe daylight saving time.
Does Pacific/Marquesas observe daylight saving time?
No. Pacific/Marquesas stays on UTC-09:30 all year, as it has since 30 September 1912.
Which country uses Pacific/Marquesas?
French Polynesia. It is one of 3 IANA zones covering the country.
Is Pacific/Marquesas the same as MARQUE?
Pacific/Marquesas is one of the IANA zones that keeps Marquesas Time (MARQUE). Use Pacific/Marquesas in software — MARQUE is a human-friendly label, not a valid identifier.

Free · Developer API

This zone, as JSON.

Its live offset, abbreviation and DST status, plus its coordinates and country, from one endpoint.

GET /v1/timezones Live

Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.

Get your free API key → All endpoints Plans and pricing

Moving off WorldTimeAPI? Our drop-in replacement needs no key.

// this identifier, resolved live
GET /v1/timezones/Pacific/Marquesas
{
"data": {
"iana": "Pacific/Marquesas",
"observes_dst": false,
"country": { "code": "PF", "name": "French Polynesia" },
"current": {
"utc_offset": "-09:30",
"abbreviation": "-0930",
…
},
…
}
}