EST to ACST Time Converter

Convert Eastern Standard Time (EST) to Australian Central Standard Time (ACST). Both time zones are shown live below; current offset between them is 13h 30m ahead.

New York · Eastern Standard Time
16:55:24
Sunday, May 10, 2026
EDT · UTC-04:00
Adelaide · Australian Central Standard Time
06:25:24
Monday, May 11, 2026
GMT+9:30 · UTC+09:30

Convert a specific time

From: EST (New York)
To: ACST (Adelaide)
--:--

Daylight Saving status right now

EST (Eastern Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-04:00 → UTC-05:00
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

When can EST and ACST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
EST
ACST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in New York (EST). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between EST and ACST.
The two zones are too far apart for synchronous meetings during normal working hours. Plan async or schedule outside 9-5 on at least one side.

Hour-by-hour EST to ACST conversion table

EST time (New York)ACST time (Adelaide)Status
00:00 Sun13:30 SunACST working
01:00 Sun14:30 SunACST working
02:00 Sun15:30 SunACST working
03:00 Sun16:30 SunACST working
04:00 Sun17:30 SunOff-hours both sides
05:00 Sun18:30 SunOff-hours both sides
06:00 Sun19:30 SunOff-hours both sides
07:00 Sun20:30 SunOff-hours both sides
08:00 Sun21:30 SunOff-hours both sides
09:00 Sun22:30 SunEST working
10:00 Sun23:30 SunEST working
11:00 Sun00:30 MonEST working
12:00 Sun01:30 MonEST working
13:00 Sun02:30 MonEST working
14:00 Sun03:30 MonEST working
15:00 Sun04:30 MonEST working
16:00 Sun05:30 MonEST working
17:00 Sun06:30 MonOff-hours both sides
18:00 Sun07:30 MonOff-hours both sides
19:00 Sun08:30 MonOff-hours both sides
20:00 Sun09:30 MonACST working
21:00 Sun10:30 MonACST working
22:00 Sun11:30 MonACST working
23:00 Sun12:30 MonACST working

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

Eastern Standard Time (EST)
IANA identifier
America/New_York
Current UTC offset
UTC-04:00
Current abbreviation
EDT
Major cities in this zone
New YorkMiamiAtlantaBostonPhiladelphia
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 New York and Adelaide

New York
Sunrise
05:45
Sunset
20:02
Solar noon
12:53
Daylight
14h 16m
Adelaide
Sunrise
07:00
Sunset
17:26
Solar noon
12:13
Daylight
10h 25m

Related converters

ACST to EST (reverse)EST to PSTEST to GMTEST to UTCEST to CETEST to ISTPST to ACSTGMT to ACSTUTC to ACSTCET to ACSTIST to ACST
Looking for local time? See time in New York or time in Adelaide.

Frequently asked questions

What is the time difference between EST and ACST right now?+
ACST (Australian Central Standard Time) is currently 13h 30m ahead EST (Eastern Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does EST or ACST observe daylight saving time?+
EST: observes daylight saving time. ACST: observes daylight saving time.
When is the best time to schedule a meeting between EST and ACST?+
EST and ACST have no business-hour overlap, even at the edges of a typical workday. Async collaboration or non-9-5 scheduling is the practical choice.
What time is it in Adelaide when it is 12:00 noon in New York?+
When it is 12:00 Sun in New York (EST), it is 01:30 Mon in Adelaide (ACST).
Which IANA time zone identifiers are used for EST and ACST?+
EST maps to "America/New_York" 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 New York ahead of or behind Adelaide?+
Whether New York (EST) is ahead of or behind Adelaide (ACST) depends on the current UTC offsets. Right now ACST is 13h 30m ahead EST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for EST and ACST?+
EST is UTC-04:00 (EDT) 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 EST and ACST?+
No standard business-hours overlap exists between EST and ACST. Plan asynchronous work or schedule outside 9-5 on at least one side.