UTC to ACST Time Converter

Convert Coordinated Universal Time (UTC) to Australian Central Standard Time (ACST). Both time zones are shown live below; current offset between them is 9h 30m ahead.

UTC · Coordinated Universal Time
02:13:16
Wednesday, May 13, 2026
UTC · UTC+00:00
Adelaide · Australian Central Standard Time
11:43:16
Wednesday, May 13, 2026
GMT+9:30 · UTC+09:30

Convert a specific time

From: UTC (UTC)
To: ACST (Adelaide)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
ACST (Australian Central Standard Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-10-04
Offset shift
UTC+09:30 → UTC+10:30

Heads up: ACST observes DST while UTC does not. The 9.5-hour difference shown above will shift by one hour when ACST starts or ends DST.

When can UTC and ACST meet?

00
01
02
03
04
05
06
07
08
09
10
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12
13
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17
18
19
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21
22
23
UTC
ACST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–09:00 UTC (17:30–18:30 ACST).

Hour-by-hour UTC to ACST conversion table

UTC time (UTC)ACST time (Adelaide)Status
00:00 Wed09:30 WedACST working
01:00 Wed10:30 WedACST working
02:00 Wed11:30 WedACST working
03:00 Wed12:30 WedACST working
04:00 Wed13:30 WedACST working
05:00 Wed14:30 WedACST working
06:00 Wed15:30 WedACST working
07:00 Wed16:30 WedACST working
08:00 Wed17:30 WedOff-hours both sides
09:00 Wed18:30 WedUTC working
10:00 Wed19:30 WedUTC working
11:00 Wed20:30 WedUTC working
12:00 Wed21:30 WedUTC working
13:00 Wed22:30 WedUTC working
14:00 Wed23:30 WedUTC working
15:00 Wed00:30 ThuUTC working
16:00 Wed01:30 ThuUTC working
17:00 Wed02:30 ThuOff-hours both sides
18:00 Wed03:30 ThuOff-hours both sides
19:00 Wed04:30 ThuOff-hours both sides
20:00 Wed05:30 ThuOff-hours both sides
21:00 Wed06:30 ThuOff-hours both sides
22:00 Wed07:30 ThuOff-hours both sides
23:00 Wed08:30 ThuOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Australian Central Standard Time (ACST)
IANA identifier
Australia/Adelaide
Current UTC offset
UTC+09:30
Current abbreviation
GMT+9:30
Major cities in this zone
Adelaide

Sun today in UTC and Adelaide

Adelaide
Sunrise
07:02
Sunset
17:24
Solar noon
12:13
Daylight
10h 22m

Related converters

ACST to UTC (reverse)UTC to ESTUTC to PSTUTC to GMTUTC to CETUTC to ISTEST to ACSTPST to ACSTGMT to ACSTCET to ACSTIST to ACST
Looking for local time? See time in UTC or time in Adelaide.

Frequently asked questions

What is the time difference between UTC and ACST right now?+
ACST (Australian Central Standard Time) is currently 9h 30m ahead UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or ACST observe daylight saving time?+
UTC: does not observe daylight saving time. ACST: observes daylight saving time.
When is the best time to schedule a meeting between UTC and ACST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 UTC (17:30–18:30 ACST).
What time is it in Adelaide when it is 12:00 noon in UTC?+
When it is 12:00 Wed in UTC (UTC), it is 21:30 Wed in Adelaide (ACST).
Which IANA time zone identifiers are used for UTC and ACST?+
UTC maps to "UTC" in the IANA database. ACST maps to "Australia/Adelaide". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Adelaide?+
Whether UTC (UTC) is ahead of or behind Adelaide (ACST) depends on the current UTC offsets. Right now ACST is 9h 30m ahead UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and ACST?+
UTC is UTC+00:00 (UTC) and ACST is UTC+09:30 (GMT+9:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both UTC and ACST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between UTC and ACST is 08:00–09:00 UTC.