TIME ZONE CONVERTER

EDT to Adelaide
Time Converter

Convert Eastern Daylight Time to Adelaide, Australia. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

EDT is 13h 30m or 14h 30m behind Adelaide in 2026, depending on the date.

9 AM EDT = 11:30 PM Adelaide

Selected date: November 5, 2026. Fixed abbreviations retain their stated UTC offsets.

TIME & DATE
FROMUTC−04:00

Eastern Daylight Time · EDT

Thu, 5 Nov
AUTOUTC+10:30

Australia · ACDT

11:30PM
Thu, 5 Nov
Adelaide is 14h 30m ahead of EDT.
Find your moment
Working hoursOutside hours
EDTYour reference
AdelaideConverted time
Tap an hour to explore · November 5, 2026Dates follow EDT
Add to calendar
THE TIME DIFFERENCE14h 30mahead

Adelaide compared with EDT.

SHARED WORKING HOURS0h2026-11-05

Adjust your working hours or choose another date.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: EDT and Adelaide

No shared working hours on this date

Set each person’s local working hours.

EDT
to
Adelaide
to

Local working days, overnight shifts and the entire meeting duration are checked.

Closest alternatives60 MIN

¹ Sum of meeting minutes outside both people’s selected hours. Alternatives minimize the worst individual conflict first.

Fixed abbreviations and local-city working hours

2026, using the same working windows on selected source workdays. Holidays are not applied.

  • EDT → Adelaide0h–0h shared; most common 0h
  • New York (ET) → Adelaide0h–0h shared; most common 0h
Plan using regional time →
THE QUICK REFERENCE

EDT to Adelaide conversion table

November 5, 2026 · Date changes are marked.

CSV
View the full 24-hour table
EDTAdelaide
12:00 AM2:30 PM
1:00 AM3:30 PM
2:00 AM4:30 PM
3:00 AM5:30 PM
4:00 AM6:30 PM
5:00 AM7:30 PM
6:00 AM8:30 PM
7:00 AM9:30 PM
8:00 AM10:30 PM
9:00 AM11:30 PM
10:00 AM12:30 AM +1 day
11:00 AM1:30 AM +1 day
EDTAdelaide
12:00 PM2:30 AM +1 day
1:00 PM3:30 AM +1 day
2:00 PM4:30 AM +1 day
3:00 PM5:30 AM +1 day
4:00 PM6:30 AM +1 day
5:00 PM7:30 AM +1 day
6:00 PM8:30 AM +1 day
7:00 PM9:30 AM +1 day
8:00 PM10:30 AM +1 day
9:00 PM11:30 AM +1 day
10:00 PM12:30 PM +1 day
11:00 PM1:30 PM +1 day

Starting with the Adelaide working day

These examples start on 2026-11-05 in Adelaide.

09:00 Adelaide18:30 →EDT · 2026-11-04
17:00 Adelaide02:30 →EDT · 2026-11-05

Which time-zone meaning are we using?

EDT · FIXED OFFSET

Eastern Daylight Time

EDT means UTC−04:00 throughout the year. Eastern Time follows regional clock rules and uses UTC−05:00 on your selected date.

Use ET for local civil time →
SAME TIME NEXT WEEK?

Check recurring meeting times

Check the next 12 weeks for clock changes and working-hours conflicts.

Check my schedule
ONE CLOCK TIME. THE WHOLE YEAR.

09:00 EDT to Adelaide throughout 2026

Keeping 09:00 on the EDT clock produces 2 different destination clock/date answers in 2026. The ranges below use EDT calendar dates, including transition days.

Year CSV
Adelaide23:30Same date183 of 365 source dates
Adelaide22:30Same date182 of 365 source dates
Dates in EDT · 2026Adelaide answerSource → destination offsetsExplore
Jan 1 – Apr 494 dates23:30Same dateUTC−04:00 → UTC+10:30
Apr 5 – Oct 3182 dates22:30Same dateUTC−04:00 → UTC+09:30
Oct 4 – Dec 3189 dates23:30Same dateUTC−04:00 → UTC+10:30

Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.

DON’T LOSE A DAY

When does EDT time become a different date in Adelaide?

Your complete source day: 2026-11-05. Each range shows which destination date to use.

EDT · 2026-11-0500:00–09:30UTC−04:00
Adelaide · 2026-11-0514:30–24:00UTC+10:30 Same date
EDT · 2026-11-0509:30–24:00UTC−04:00
Adelaide · 2026-11-0600:00–14:30UTC+10:30 Next day

Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.

THE BIGGER PICTURE

A year of time differences.

How Adelaide compares with EDT throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+14h 30m
+13h 30m
+14h 30m

Adelaide changes its UTC offset in 2026. EDT is a fixed offset.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)Adelaide vs EDT
1 Jan 2026, 00:00 UTC4 Apr 2026, 16:30 UTC14h 30m ahead
4 Apr 2026, 16:30 UTC3 Oct 2026, 16:30 UTC13h 30m ahead
3 Oct 2026, 16:30 UTC1 Jan 2027, 00:00 UTC14h 30m ahead
CLOCK CHANGES

What changes at the next clock adjustment?

April 4, 2027Local transition date
  • Adelaide clocks go back by 1h on April 4, 2027.

After this change, EDT is 13h 30m behind Adelaide. EDT remains fixed at UTC−04:00.

Exact clock readings and UTC transition

2027-04-03T16:30:00.000Z.

Adelaide: 2027-04-04 02:59 UTC+10:30 → 2027-04-04 02:00 UTC+09:30.

Readings are one real minute apart. Future rules may change.

Exact periods outside the most common difference in 2026

The most frequent difference has Adelaide 14h 30m ahead relative to EDT. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with EDT
4 Apr 2026, 16:30 UTC3 Oct 2026, 16:30 UTC13h 30m ahead
PLAN BEYOND A SINGLE DAY

EDT–Adelaide working hours through 2026

Every date calculated with your working windows. 261 selected EDT workdays; public holidays are not applied.

Daily CSV
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261

One fixed start time does not fit every working day.

Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.

Explore seasonal meeting times and your weekly schedule

EDT: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Adelaide: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.

Calculation details and repeated hours

Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.

THE DETAILS THAT MATTER

EDT to Adelaide: useful answers

Why is the EDT to Adelaide difference sometimes 13h 30m and sometimes 14h 30m?

EDT is 13h 30m or 14h 30m behind Adelaide in 2026, depending on the date. Adelaide changes its UTC offset in 2026. EDT is a fixed offset.

Is EDT the same as local city time?

EDT is fixed at UTC−04:00. New York (ET) to Adelaide uses regional rules instead. On 2026-11-05, 09:00 at the source becomes 00:30 at the destination (ACDT). Choose the local-city option above when that is the clock you mean.

Which cities match EDT throughout 2026?

Caracas, Venezuela; Santo Domingo, Dominican Republic; San Juan, Puerto Rico; Georgetown, Guyana keep the same UTC−04:00 offset as fixed EDT throughout 2026 under the published rules. Matching an offset does not mean every place uses the abbreviation EDT.

Does the EDT–Adelaide time difference change in 2026?

The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.

Does this conversion change the calendar date?

09:00 in EDT on 2026-11-05 is 23:30 in Adelaide on 2026-11-05. This selected time stays on the same date in both places. Other times can cross midnight.

Can EDT and Adelaide meet during working hours?

Your selected working windows have no shared time on 2026-11-05. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.

Related time-zone meanings and conversions

Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology

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