WorldClockTools.

IANA timezone

Australia/Lord Howe.

LHSTUTC+10:30Standard time

Australia/Lord Howe is the IANA timezone for Australia, currently at UTC+10:30 (LHST). It does not observe daylight saving time; the offset stays the same year-round. The zone covers 1 city listed below, with live clocks updating every second.

Offset, DST behavior, and city coverage are refreshed from the live timezone dataset during the page revalidation window.

Current time in LHST

--:--:--

Australia/Lord Howe · UTC+10:30

All timezones in Australia →View LHST abbreviation →

Abbreviation

LHST

UTC Offset

UTC+10:30

DST Status

Standard Time

Country

Australia

Timezone planning depth

What Australia/Lord Howe is useful for

A timezone page should do more than define an offset. These notes connect the zone to city clocks, DST behavior, converters, and adjacent country planning pages.

Zone identity

Australia/Lord Howe is rendered as LHST at UTC+10:30 for Australia. The IANA zone ID is the stable key; the abbreviation is only the short display label.

DST behavior

Australia/Lord Howe has 2 scheduled offset transitions in the next 12 months. Next transition: April 4, 2027 (UTC+11:00 → UTC+10:30, -0h 30m). Cumulative offset movement across the window is +1h. Use the IANA zone ID rather than a fixed UTC offset when scheduling across these dates.

City coverage

1 indexable city sits in this zone after locale and crawl-safety filters, with Lord Howe among the examples shown.

Conversion handoff

LHST has no pre-built converter pair, so a custom comparison runs through the general timezone converter instead.

Adjacent planning context

The most useful next steps from this timezone page are holiday calendars, airport-country planning, and city clocks. Those links keep the zone page connected to real user tasks rather than stopping at an offset definition.

Single-abbreviation behavior

Australia/Lord Howe resolves to a single abbreviation, GMT+10:30, in the next 12 months. That makes the abbreviation usable as a short display label, but the IANA zone is still the canonical key for storage and conversion math.

Offset stability

Australia/Lord Howe spends about 182 days at UTC+10:30 across the forward 12-month window, which makes it the longer-running of two seasonal offsets. The remaining time is split across the other offsets listed in the year-of-DST card.

Peer zones at the same offset

Other IANA zones currently aligned at UTC+10:30 include Pacific/Bougainville, Pacific/Kosrae, Pacific/Noumea, Asia/Sakhalin, and Pacific/Guadalcanal. Same-offset peers can drift apart later in the year if their DST rules differ, so a peer match today is not a permanent equivalence.

Country roster

Australia/Lord Howe is used as the primary clock anchor for Australia. The roster is derived from country-zone mappings, so it reflects which jurisdictions adopt this IANA zone rather than which countries happen to share its current offset.
Timezone abbreviations can be ambiguous. The IANA zone name is the canonical key used for clocks, city pages, and conversion math.

Source-change watch

When timezone policy changes

Machine-readable rule source

Exact offsets and transition rows come from the IANA Time Zone Database as exposed by the deployed runtime. IANA publishes tzdb releases when governments change civil-time rules.

Check IANA Time Zone Database

Policy-source boundary

No jurisdiction-specific policy source is attached for Australia/Lord Howe. Confirm legal clock-change announcements with the relevant government or time authority before relying on future rules.

Year-round offset behavior

Australia/Lord Howe across the next 12 months

The forward 12-month sweep returned 2 scheduled offset transitions. Cumulative offset movement is +1h. Anchor stored timestamps to the IANA zone, not to a fixed UTC offset.

Date (local)Local timeFromToGap
April 4, 20271:30 AMUTC+11:00 (GMT+11)UTC+10:30 (GMT+10:30)-0h 30m
October 3, 20272:30 AMUTC+10:30 (GMT+10:30)UTC+11:00 (GMT+11)+0h 30m

Offset window

UTC+11:00 (GMT+11)

149 days

Offset window

UTC+10:30 (GMT+10:30)

182 days

Offset window

UTC+11:00 (GMT+11)

34 days

Primary offset across the window: UTC+10:30 (GMT+10:30) for about 182 days.

Coverage reference

What Australia/Lord Howe covers

Country roster

Australia

Common abbreviations

LHST

Abbreviations rotate with each DST transition — anchor calendar entries to the IANA zone, not an abbreviation.

Peer zones at UTC+11:00 right now

Pacific/BougainvillePacific/KosraePacific/NoumeaAsia/SakhalinPacific/GuadalcanalPacific/Efate

Same-offset peers can drift apart later in the year if their DST rules differ; today's offset match is not a permanent equivalence.

Top cities in Australia/Lord Howe (by population)

Lord Howe

DST mismatch radar

Meetings drift when regions change their clocks on different weekends. Dates below are computed from the IANA time zone rules as of 5 Nov 2026.

Upcoming DST shifts

  • United States and Canada
    Clocks go forward 1 hour · UTC-05:00 → UTC-04:00
    Sun 14 Mar 2027
  • UK and European Union
    Clocks go forward 1 hour · UTC+00:00 → UTC+01:00
    Sun 28 Mar 2027
  • New Zealand
    Clocks go back 1 hour · UTC+13:00 → UTC+12:00
    Sun 4 Apr 2027
  • South-east Australia
    Clocks go back 1 hour · UTC+11:00 → UTC+10:00
    Sun 4 Apr 2027

Meetings at risk

  • New York ↔ London
    • Sun 14 Mar 2027 (New York changes)5 h → 4 h
    • Sun 28 Mar 2027 (London changes)4 h → 5 h
    • Sun 31 Oct 2027 (London changes)5 h → 4 h
    • Sun 7 Nov 2027 (New York changes)4 h → 5 h

    4 h instead of 5 h for 14 days, Sun 14 Mar 2027 to Sun 28 Mar 2027.

    4 h instead of 5 h for 7 days, Sun 31 Oct 2027 to Sun 7 Nov 2027.

  • New York ↔ Sydney
    • Sun 14 Mar 2027 (New York changes)16 h → 15 h
    • Sun 4 Apr 2027 (Sydney changes)15 h → 14 h
    • Sun 3 Oct 2027 (Sydney changes)14 h → 15 h
    • Sun 7 Nov 2027 (New York changes)15 h → 16 h
  • London ↔ Sydney
    • Sun 28 Mar 2027 (London changes)11 h → 10 h
    • Sun 4 Apr 2027 (Sydney changes)10 h → 9 h
    • Sun 3 Oct 2027 (Sydney changes)9 h → 10 h
    • Sun 31 Oct 2027 (London changes)10 h → 11 h

Each gap is how many hours the second city is ahead of the first.

Holidays in AustraliaAirports in Australia

Cities in LHST

Lord Howe

FAQ

What is the current UTC offset for Australia/Lord Howe?
Australia/Lord Howe is currently at UTC+11:00 (GMT+11). The page revalidates weekly, but live clocks on this page tick from the IANA zone in real time.
Does Australia/Lord Howe observe daylight saving time in 2027?
Yes. Australia/Lord Howe has 2 scheduled transitions in the next 12 months. The first is April 4, 2027 (UTC+11:00 → UTC+10:30, -0h 30m). Anchor saved timestamps to the IANA zone, not to a fixed UTC offset, so they survive the change automatically.
Which cities use Australia/Lord Howe?
Australia/Lord Howe is the canonical clock for cities including Lord Howe. The page lists 1 indexable city in this zone after locale and crawl-safety filters.
What abbreviations does Australia/Lord Howe use?
Australia/Lord Howe resolves to LHST year-round in the next 12 months.
Why does Australia use Australia/Lord Howe?
Australia is mapped to Australia/Lord Howe as one of its IANA zones in the country-zone catalog. The IANA zone records each jurisdiction's historical offset and DST rule changes; Australia/Lord Howe stores the rules used by Australia (ISO AU).

Related timezone pages

Most timezone-reference visits naturally branch into a country page, abbreviation page, or converter workflow.

Time in Australia

Open the country hub for city clocks, holidays, airports, and broader timezone context.

Timezone converter

Move from zone reference into hour-by-hour practical conversions.

Browse city pages

Use the human-readable city index if the next question is really about a city, not a zone string.