Current Time in ACST
Australian Central Standard Time
About ACST Australian Central Standard Time
Used in South Australia, the Northern Territory, and the town of Broken Hill in New South Wales, Australia. It is notable for its half-hour offset from UTC. During daylight saving, South Australia switches to ACDT.
UTC Offset: +09:30
ACST at a glance
| Right now | 03:17 on Wednesday |
|---|---|
| UTC offset | UTC+09:30 (9 hours and 30 minutes ahead of UTC) |
| Full name | Australian Central Standard Time |
| Countries | 1 |
| IANA zones | 6 |
What is ACST?
ACST is a time zone that is currently UTC+09:30 - that's 9 hours and 30 minutes ahead of UTC. Its full name is Australian Central Standard Time. Right now the local time on ACST is 03:17. Today 1 country (including Australia) and 6 IANA database zones sit at this offset, which is why ACST is a useful shorthand even though the exact local rules differ from place to place.
How to convert ACST to UTC
For quick planning, use today's offset as a rule of thumb: 12:00 UTC = 21:30 local time, and 09:00 local time = 23:30 UTC. The live clock above is the safest reference when daylight saving or regional rules may apply.
Which countries use ACST?
ACST is used across Australia. Open a country to see all of its cities and their local time.
IANA time zones in ACST
ACST maps to the IANA database zones Australia/Adelaide, Australia/Broken_Hill, Australia/Darwin, Australia/North, Australia/South and Australia/Yancowinna. Each zone page shows its exact rules, including any daylight saving changes.
💡 Tip: Comparing times? ACST is 9 hours and 30 minutes ahead of UTC. Use the IANA links and country links on this page when you need the exact local rule for a real place, not just the offset.
ACST - Frequently asked questions
What is ACST?
ACST is a time zone currently UTC+09:30 (9 hours and 30 minutes ahead of UTC). Its full name is Australian Central Standard Time.
What is the UTC offset of ACST?
ACST is UTC+09:30 right now - 9 hours and 30 minutes ahead of UTC.
Which countries are on ACST?
ACST is used in Australia.
What time is it in ACST now?
The current time on ACST is 03:17 on Wednesday. The clock above updates every second.
How Alarm.now explains ACST
Abbreviation, offset, and IANA zones
ACST is shown as a time-zone group for Australian Central Standard Time with offset +09:30. The page links the abbreviation to the IANA zones and countries that use it, so users and search engines can distinguish a short label from an exact time-zone rule set.
When to use a specific IANA page
Use this group page for an overview of the abbreviation and offset. Use a linked IANA time-zone page when you need exact daylight-saving rules for a calendar, app, or future-date comparison.