UTC offset

UTC+10:30

10 hours 30 minutes ahead of Coordinated Universal Time — the clock of Australia.

Also written GMT+10:30 · +10:30
Time at UTC+10:30 now
--:--:--
vs UTC
+10:30
UTC now
--:--
Zones
2

Zones here now

2

Adelaide · Broken Hill

Countries

1

🇦🇺 Australia

Seasonal shifts

3

zones that hop rungs with DST

Largest city

Adelaide

1.4M metro · ACDT

Who keeps UTC+10:30

Two zones right now — the rung breathes with DST.

2 zones are only visiting — daylight saving brings them here from another rung. One neighbour, Lord Howe, is based here but is spending the season a rung away.

Time zoneZone identifierCountryAbbr.DST behaviour
Visiting · based a rung away
Based here, currently away
Lord Howe Daylight Time returns to this page when its clocks change back.

Major cities at UTC+10:30

Where it's --:-- right now.

ordered by population · each links to its city page

Compare & convert

When it's noon
at UTC+10:30…

Times below are live conversions against each reference's current offset — daylight saving included.

Convert Adelaide → your city →
Reference…it isDay shift
UTC ±00:0001:30same day
New York EDT21:30previous day
London BST02:30same day
Paris CEST03:30same day
Tokyo JST10:30same day
Sydney AEDT12:30same day

About this offset

Australia's rung.

UTC+10:30 is kept by 2 zones across Australia. Its population shifts with the seasons: 2 zones are only here while daylight saving lasts. One zone based here is currently away on the next rung.

Frequently asked questions

Answers generated from live data for UTC+10:30. Can't find what you need? Email [email protected].

What time is it at UTC+10:30 right now?
UTC+10:30 is always exactly 10 hours 30 minutes ahead of Coordinated Universal Time, every day of the year. The clock at the top of this page shows its current time live.
Which countries use UTC+10:30?
No zone keeps UTC+10:30 permanently — it is occupied only during daylight saving season, currently by Australia.
Is Adelaide always on UTC+10:30?
No. Adelaide observes daylight saving time, so it spends part of the year one rung away. Check the zone table above for the date of its next move.
What's the difference between UTC+10:30 and ACDT?
UTC+10:30 is the numeric offset; ACDT (Australian Central Daylight Time) is one named time zone that keeps it. Other zones can share the offset while following entirely different rules and history — same clock, different identity.

Walk the ladder

Adjacent offsets.

Free · Developer API

This offset, as JSON.

Every zone whose standard time is UTC+10:30, each with its live offset and DST status, in one call.

GET /v1/timezones Live

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

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

// every zone on UTC+10:30 standard time
GET /v1/timezones?offset=+10:30
{
"data": [
{ "iana": "Australia/Lord_Howe", … }
]
}