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بيانات المدن من GeoNames (CC BY 4.0). بيانات المناطق الزمنية من قاعدة بيانات IANA للمناطق الزمنية.

  1. WorldClockTools
  2. المناطق الزمنية
  3. CHADT

Timezone abbreviation

المنطقة الزمنية CHADT — المعنى، إزاحة UTC.

CHADT+12:451 meaning1 countries

CHADT currently resolves here through Pacific/Chatham, where the live offset is +12:45 (GMT+12:45). This page expands that into the broader meaning set, top cities, countries, similar labels, and safer exact-zone equivalents.

Last updated Apr 26, 2026. Representative zones, offset ranges, and city usage are refreshed from the current timezone dataset so abbreviation pages stay tied to real zones instead of static boilerplate.

How this is calculated

How we calculate this
CHADT is mapped to its representative IANA zone (Pacific/Chatham), and the current offset is read live from the timezone database. Ambiguous abbreviations are flagged explicitly and list every competing meaning.
Data sources
IANA Time Zone Database. Country usage and city attribution derived from GeoNames (CC BY 4.0).
Update cadence
Revalidated daily; live offset values reflect the moment the page is served.

What CHADT means in practice

CHADT is used in this dataset for Chatham Time. Right now it maps to 1 meaning, 1 IANA zone, and 1 country.

This page uses Pacific/Chatham as the live reference at +12:45 (GMT+12:45). CHADT works more as a reference label here than as a city-anchored civil-time label, so the IANA zone is what carries the practical weight.

CHADT currently shows +12:45, but Pacific/Chatham observes seasonal clock changes — the next transition is around September 27, 2026. That means the offset on this page is a snapshot, not a permanent fact, so long-range scheduling should pin the underlying IANA zone instead of the abbreviation.

Live reference

Chatham Time

Pacific/Chatham

--:--:--

Current offset

+12:45 (GMT+12:45)

Meanings / zones / countries

1 / 1 / 1

Offset range

UTC+12:45 to UTC+13:45

How CHADT shows up in real schedules

CHADT is far ahead of UTC, into the Pacific island band, so the same calendar day finishes here before North America wakes up. In practice it is read inside Atlantic, Pacific, or Indian Ocean island cluster, where the leading city anchors are reference-only timezone clusters.

CHADT is unusually unambiguous: it ties to a single country and a single IANA zone, which is closer to a national clock label than a multi-region abbreviation.

CHADT shows up on airline schedules, weather bulletins, and Pacific shipping notices more than on office calendars. CHADT can also flip to a sibling daylight-saving abbreviation later in the year, so timestamps before and after the change need to be read carefully.

Regional context behind CHADT

New Zealand sits in Oceania, specifically Australia and New Zealand. Population 5,324,700, area 268,838 km², capital Wellington. Civic markers behind CHADT include English, Māori, and New Zealand Sign Language and NZD (New Zealand dollar, $).

New Zealand backdrop: New Zealand is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island and the South Island —and over 600 smaller islands. It is the sixth-largest island country by area and lies east of Australia across the Tasman Sea and south of the islands of New Caledonia, Fiji, and Tonga. The country's varied topography and sharp mountain peaks, including the Southern Alps, owe much to tectonic uplift and volcanic eruptions. New Zealand's capital city is Wellington, and its most populous city is Auckland.

Zone roster and clock behavior

CHADT in the Chatham Time meaning runs 12h45m ahead of UTC through Atlantic, Pacific, or Indian Ocean island cluster, threading zones such as Pacific/Chatham (cities: reference cities). Country anchors: New Zealand.

Chatham Time

Pacific/Chatham

Current reading: GMT+12:45 at +12:45 in New Zealand.

Pacific/Chatham changes on September 27, 2026 at about 3:50 AM, moving from GMT+13:45 (+13:45) to GMT+13:45 (+13:45).

City anchors include reference cities, while country anchors include New Zealand.

Meaning breakdown

Chatham Time

Live reference zone: Pacific/Chatham (GMT+12:45, +12:45)

Cities: reference-only mappings. Countries: New Zealand.

Live zones: Pacific/Chatham (+12:45).

Pacific/Chatham

Countries

New Zealand

Top cities

Reference-only meaning

Country usage playbook

New Zealand runs on a single zone (0 mapped cities) under CHADT. Visible cities: the lead reference city. Underlying zones: Pacific/Chatham.

Top cities using CHADT

City anchors for CHADT (Atlantic, Pacific, or Indian Ocean island cluster, currently +12:45). Pick a city to drop into a live local clock.

This abbreviation acts more like a global or technical label than a city-heavy civil-time cluster, so the zone links above are the best next step.

Countries and regions

New Zealand

Zones: Pacific/Chatham

Meaning group: Chatham Time

Similar abbreviations

CHAST

Shares the chatham time family

+12:45

FJT

Runs on a nearby UTC offset

+12:00

GILT

Runs on a nearby UTC offset

+12:00

MHT

Runs on a nearby UTC offset

+12:00

NRT

Runs on a nearby UTC offset

+12:00

NZDT

Runs on a nearby UTC offset

+12:00

Context and safer equivalents

CHADT is not heavily split in the current catalog, but the short label still hides the underlying IANA zone and any future policy change. The safe pattern is to write the abbreviation for humans and the zone for machines.

Pacific/Chatham has an upcoming offset change on September 27, 2026. After that point, CHADT on this page will read a different UTC offset until the next transition, so any saved timestamp should anchor to the IANA zone rather than the abbreviation.

For precise work, the safest equivalent of CHADT is the exact IANA zone used by your city or system. Pacific/Chatham sits at +12:45, ahead of UTC, which means daily logs in this zone reach a new calendar date before UTC does — a small detail that breaks date-based reporting if missed.

Within this single zone (Pacific/Chatham, +12:45), CHADT is unambiguous, so the abbreviation and the IANA zone effectively interchange.

Safest exact reference: Pacific/Chatham (+12:45).

FAQ

What does CHADT stand for?
CHADT is the shorthand label used here for Chatham Time.
What UTC offset is CHADT?
CHADT is currently shown here at +12:45 (GMT+12:45) for Pacific/Chatham.
Which cities and countries use CHADT?
CHADT is represented here more as a reference label than a city-heavy civil-time cluster, so the linked zones are the safest place to drill into usage.
Is CHADT ambiguous?
Not in this catalog. CHADT resolves to one main meaning here, although the underlying zone can still matter for daylight-saving rules.
Should I use CHADT or an IANA timezone name?
Use CHADT for quick reading, but use an IANA zone such as Pacific/Chatham or a literal UTC offset when you need something unambiguous in software, contracts, or travel plans.

Related timezone pages

The next best click after an abbreviation page usually depends on whether you need a city, a converter, or a live clock.

Timezone converter

Turn this abbreviation into a practical conversion pair and scan full time tables.

World clock

Open live clocks once the abbreviation question turns into a city-by-city decision.

Browse city pages

Find the strongest city pages that make abbreviation families concrete.

Browse market hours

See where timezone abbreviations become real exchange-opening and handoff decisions.