IANA tz database · zone identifier

Pacific/Port_Moresby

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

UTC+10:00Abbreviation +10No DST — never observed

Time in Pacific/Port_Moresby☀ Daylight

09:00:00

Thursday, July 16, 2026

Offset

UTC+10:00

Abbreviation

+10

DST

No DST

Current offset

UTC+10:00

same year-round

Abbreviation

+10

tzdb uses numeric abbreviations here

DST behaviour

Never

has never observed daylight saving

Country

🇵🇬 Papua New Guinea

ISO 3166: PG · view country page →

Using this identifier

The string to put in your code.

Pacific/Port_Moresby 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 +10 or +10:00 — abbreviations are ambiguous and fixed offsets can't follow rule changes.

// format a date in this zone

new Intl.DateTimeFormat('en-US', {

timeZone: 'Pacific/Port_Moresby',

dateStyle: 'full', timeStyle: 'long'

}).format(new Date());

Offset & DST behaviour

One offset,
131 years.

Pacific/Port_Moresby has kept UTC+10:00 year-round since 1 January 1895 — 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

Keeping this offset since

1 January 1895

Next transition

None scheduled

no DST rules exist for this zone

Safe to assume

Local = UTC + 10h, always

…but store the identifier anyway

Technical record

The database entry, in full.

source: IANA tz database

IdentifierPacific/Port_Moresby

ISO country codePG🇵🇬 Papua New Guinea

Reference coordinates9.50°S, 147.17°Etz database reference point

Standard offsetUTC+10:00abbreviation +10

Daylight offset—daylight saving has never been observed

Where it applies

One of Papua New Guinea's 2 zones.

Looking for travel-friendly info? See Port Moresby or Papua New Guinea Time.

🇵🇬

Papua New Guinea

8.9M people, 2 time zones — this identifier covers one of them.

Related identifiers

Nearby in the database.

Same offset · UTC+10:00

other zones keeping this offset right now

Asia/Ust-NeraRussia · Vladivostok Standard Time Asia/VladivostokRussia · Vladivostok Standard Time Australia/BrisbaneAustralia · Australian Eastern Standard Time Australia/HobartAustralia · Australian Eastern Standard Time Australia/LindemanAustralia · Australian Eastern Standard Time Australia/MelbourneAustralia · Australian Eastern Standard Time

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/Port_Moresby?: Pacific/Port_Moresby is UTC+10:00, year-round. The offset never changes because the zone does not observe daylight saving time.
Does Pacific/Port_Moresby observe daylight saving time?: No. Pacific/Port_Moresby has never observed DST — it has kept UTC+10:00 continuously since 1 January 1895.
Which country uses Pacific/Port_Moresby?: Papua New Guinea. It is one of 2 IANA zones covering the country.
Is Pacific/Port_Moresby the same as PNGT?: Pacific/Port_Moresby is one of the IANA zones that keeps Papua New Guinea Time (PNGT). Use Pacific/Port_Moresby in software — PNGT is a human-friendly label, not a valid identifier.

Free · Developer API

This zone, as JSON.

Everything on this page — offset, abbreviation, DST rules, coordinates — from one endpoint, always current with the latest tzdb release.

GET /v1/timezones Live

countries, cities, convert, DST transitions coming next.

Get your free API key →

// this identifier, resolved live

GET /v1/timezones?iana=Pacific/Port_Moresby

{

"iana": "Pacific/Port_Moresby",

"utc_offset": "+10:00",

"abbreviation": "+10",

"observes_dst": false,

"country": "PG"

}