Current Time in Australia/South Time Zone
IANA Name: Australia/South
Standard Offset: UTC +9:30
Daylight Saving: Yes
DST Offset: UTC +10:30
DST Abbreviation: ACDT
Currently Observing DST: No ❌
The Australia/South time zone at a glance
| Right now | 21:02 on Tuesday |
|---|---|
| UTC offset | UTC+09:30 (9 hours and 30 minutes ahead of UTC) |
| Abbreviation | ACST |
| Daylight saving | Yes - Clocks change twice a year |
| Region | Australia |
What time is it in Australia/South?
The current local time in the Australia/South zone is 21:02 on Tuesday, 30 June 2026. The clock above updates every second. This zone runs on ACST, which is UTC+09:30 - That's 9 hours and 30 minutes ahead of UTC.
Does it change for daylight saving time?
Yes. Australia/South uses daylight saving time, so the clocks move forward one hour in spring and back one hour in autumn. Right now it is on standard time. Because of this, its UTC offset is not the same all year. New to clock changes? Read our plain-English guide to daylight saving time.
How to convert Australia/South time
Use the live clock for exact seconds, but for quick planning: 12:00 UTC = 21:30 local time, and 09:00 local time = 23:30 UTC. These examples use today's ACST offset, so they automatically reflect whether daylight saving is active now.
Use Australia/South when software asks for a time zone
Australia/South is the exact IANA identifier for this rule set. Use it in calendars, code, schedules, and travel planning instead of only writing UTC+09:30, because a plain UTC offset does not describe daylight-saving rules or future legal changes.
Why the UTC+09:30 offset uses 30 minutes
This zone is not aligned to a whole hour. It is 9 hours and 30 minutes from UTC, so conversions need the minute part too. That is why this page shows both the live clock and conversion examples.
Where is Australia/South time used?
It is the official local time in Australia.
Best next checks for Australia/South
For a real-world meeting, compare Australia/South with a city page or use the time zone converter. For a reminder on your own device, set an online alarm after you confirm the local date and time.
💡 Tip: Setting up a call with someone in Australia? Remember they are on UTC+09:30. Check the live clock above before you pick a time, then compare nearby city pages for local context.
The Australia/South time zone - Frequently asked questions
What is the Australia/South time zone?
Australia/South is a time zone in the Australia region. It runs on ACST, which is UTC+09:30.
What is the UTC offset of Australia/South?
Australia/South is UTC+09:30 right now - 9 hours and 30 minutes ahead of UTC. The offset shifts by an hour for part of the year because of daylight saving time.
Does Australia/South use daylight saving time?
Yes. The clocks move forward an hour in spring and back an hour in autumn.
Which countries use Australia/South time?
It is used in Australia.
How Alarm.now reads Australia/South
IANA rule set and current offset
Australia/South is treated as an IANA time-zone identifier, not just a short abbreviation. That means the page can connect the live clock to its UTC offset, standard abbreviation ACST, daylight abbreviation ACDT, and any daylight-saving rule changes.
Best use cases
Use this page when software, calendars, or travel plans ask for the exact IANA zone. For a place-based view, follow the linked country and city clocks above, or compare zones with the time zone converter.