ACDT SydneyTime Converter
ACDT (UTC+10:30) is currently 30 minutes ahead of Sydney (AEST, UTC+10). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in ACDT, it's the same day in Sydney.
ACDT runs 30 minutes ahead of Sydney (AEST/AEDT). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- −0h 30m
- ACDT
- UTC+10:30
- Sydney
- UTC+10
- Best call window
- 10:00 AM ACDT
ACDT to Sydney conversion table
The next 12 hours in ACDT and the matching local time in Sydney. The current hour is highlighted; drag the converter's slider and the table follows.
| ACDT | Sydney · AEST |
|---|---|
| NOW Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Best time to meet between ACDT & Sydney
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
This time difference never changes
Neither side observes daylight saving against the other, so the gap stays constant all year. ACDT is the daylight-saving counterpart of ACST (UTC+9:30). Clocks in Sydney move forward 1 hour to AEDT (UTC+11) on Sunday, October 4, 2026. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From ACDT
To Sydney
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am ACDT time in Sydney?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "ACDT → Sydney",
"url": "https://worldclock.pro/en/convert/acdt-to-sydney",
"from": {
"name": "ACDT",
"type": "timezone",
"abbreviation": "ACST",
"daylightAbbreviation": "ACDT",
"iana": "Australia/Adelaide",
"standardUtcOffset": "+09:30",
"daylightUtcOffset": "+10:30",
"referenceCity": "Adelaide"
},
"to": {
"name": "Sydney",
"type": "city",
"abbreviation": "AEST",
"daylightAbbreviation": "AEDT",
"iana": "Australia/Sydney",
"standardUtcOffset": "+10:00",
"daylightUtcOffset": "+11:00",
"referenceCity": "Sydney"
},
"currentDifferenceMinutes": -30,
"possibleDifferencesMinutes": [
30
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between ACDT and Sydney?
ACDT is currently 30 minutes ahead of Sydney. ACDT is on ACDT (UTC+10:30) and Sydney is on AEST (UTC+10). The difference can change when either side starts or ends daylight saving time.
Is Sydney ahead of or behind ACDT?
Sydney is currently 30 minutes behind ACDT.
When it is 9:00 AM in ACDT, what time is it in Sydney?
When it is 9:00 AM on a Tuesday in ACDT, it is 8:30 AM in Sydney.
Do ACDT and Sydney observe daylight saving time?
ACDT is the daylight-saving counterpart of ACST (UTC+9:30). Clocks in Sydney move forward 1 hour to AEDT (UTC+11) on Sunday, October 4, 2026.
How do I convert ACDT time to Sydney time?
Subtract 30 minutes from any time in ACDT to get the time in Sydney. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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