Adelaide New YorkACDT to EST Time Converter
Adelaide (ACDT, UTC+10:30) is currently 15 hours 30 minutes ahead of New York (EST, UTC−5). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Adelaide, it's the previous day in New York.
Adelaide (ACDT) runs 15 hours 30 minutes ahead of New York (EST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- −15h 30m
- ACDT
- UTC+10:30
- EST
- UTC−5
- Best call window
- 9:00 AM ACDT
ACDT to EST conversion table
The next 12 hours in ACDT and the matching local time in EST. The current hour is highlighted; drag the converter's slider and the table follows.
| ACDT | EST |
|---|---|
| NOW Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Best time to meet between ACDT & EST
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 2 hours
The difference between ACDT and EST swings between 15.5, 14.5 and 13.5 hours across the year as each side starts or ends daylight saving. ACDT is the daylight-saving counterpart of ACST (UTC+9:30). Regions on EST switch to EDT (UTC−4) during daylight saving time. 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 EST
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 EST?", 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 → EST",
"url": "https://worldclock.pro/en/convert/acdt-to-est",
"from": {
"name": "ACDT",
"type": "timezone",
"abbreviation": "ACST",
"daylightAbbreviation": "ACDT",
"iana": "Australia/Adelaide",
"standardUtcOffset": "+09:30",
"daylightUtcOffset": "+10:30",
"referenceCity": "Adelaide"
},
"to": {
"name": "EST",
"type": "timezone",
"abbreviation": "EST",
"daylightAbbreviation": "EDT",
"iana": "America/New_York",
"standardUtcOffset": "-05:00",
"daylightUtcOffset": "-04:00",
"referenceCity": "New York"
},
"currentDifferenceMinutes": -930,
"possibleDifferencesMinutes": [
-930,
-870,
-810
],
"note": "Between the regions that use these zones the difference is 15.5, 14.5 and 13.5 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between ACDT and EST?
ACDT is currently 15 hours 30 minutes ahead of EST. ACDT is on ACDT (UTC+10:30) and EST is on EST (UTC−5). The difference can change when either side starts or ends daylight saving time.
Is EST ahead of or behind ACDT?
EST is currently 15 hours 30 minutes behind ACDT.
When it is 9:00 AM in ACDT, what time is it in EST?
When it is 9:00 AM on a Tuesday in ACDT, it is 5:30 PM the previous day in EST.
Do ACDT and EST observe daylight saving time?
ACDT is the daylight-saving counterpart of ACST (UTC+9:30). Regions on EST switch to EDT (UTC−4) during daylight saving time.
How do I convert ACDT time to EST time?
Subtract 15 hours 30 minutes from any time in ACDT to get the time in EST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
More world clock & time zone apps
From the team behind worldclock.pro — global scheduling on iPhone & iPad, a Mac menu-bar clock, and precision Zulu/UTC for aviation, military, and HAM radio.
World Clock Master
Global time zone scheduling for international teams, travelers, and professionals who coordinate across cities and continents.
View app
World Clock Pro
The same powerful time zone converter, meeting scheduler, and world clock — living in your Mac's menu bar.
View app