TIME ZONE CONVERTER

Sydney to EST
Time Converter

Convert Sydney, Australia to Eastern Standard Time. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

Sydney is 15h or 16h ahead of EST in 2026, depending on the date.

9 AM Sydney = 5 PM EST Tue, 3 Nov at the destination

Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.

TIME & DATE
AUFROMUTC+11:00

Australia · AEDT

Wed, 4 Nov
TOUTC−05:00

Eastern Standard Time · EST

5:00PM
Tue, 3 Nov-1 day
EST is 16h behind Sydney.-1 day
Find your moment
Working hoursOutside hours
SydneyYour reference
ESTConverted time
Tap an hour to explore · November 4, 2026Dates follow Sydney
Add to calendar
THE TIME DIFFERENCE16hbehind

EST compared with Sydney.

SHARED WORKING HOURS0h2026-11-04

Adjust your working hours or choose another date.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Sydney and EST

No shared working hours on this date

Set each person’s local working hours.

Sydney
to
EST
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.

  • Sydney → EST0h–0h shared; most common 0h
  • Sydney → New York (ET)0h–0h shared; most common 0h
Plan using regional time →
THE QUICK REFERENCE

Sydney to EST conversion table

November 4, 2026 · Date changes are marked.

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

Starting with the EST working day

These examples start on 2026-11-04 in EST.

09:00 EST01:00 →Sydney · 2026-11-05
17:00 EST09:00 →Sydney · 2026-11-05

Which time-zone meaning are we using?

EST · FIXED OFFSET

Eastern Standard Time

EST means UTC−05:00 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 Sydney to EST throughout 2026

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

Year CSV
EST17:00Previous day183 of 365 source dates
EST18:00Previous day182 of 365 source dates
Dates in Sydney · 2026EST answerSource → destination offsetsExplore
Jan 1 – Apr 494 dates17:00Previous dayUTC+11:00 → UTC−05:00
Apr 5 – Oct 3182 dates18:00Previous dayUTC+10:00 → UTC−05:00
Oct 4 – Dec 3189 dates17:00Previous dayUTC+11:00 → UTC−05:00

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 Sydney time become a different date in EST?

Your complete source day: 2026-11-04. Each range shows which destination date to use.

Sydney · 2026-11-0400:00–16:00UTC+11:00
EST · 2026-11-0308:00–24:00UTC−05:00 Previous day
Sydney · 2026-11-0416:00–24:00UTC+11:00
EST · 2026-11-0400:00–08:00UTC−05:00 Same date

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 EST compares with Sydney throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−16h
−15h
−16h

Sydney changes its UTC offset in 2026. EST is a fixed offset.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)EST vs Sydney
1 Jan 2026, 00:00 UTC4 Apr 2026, 16:00 UTC16h behind
4 Apr 2026, 16:00 UTC3 Oct 2026, 16:00 UTC15h behind
3 Oct 2026, 16:00 UTC1 Jan 2027, 00:00 UTC16h behind
CLOCK CHANGES

What changes at the next clock adjustment?

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

After this change, Sydney is 15h ahead of EST. EST remains fixed at UTC−05:00.

Exact clock readings and UTC transition

2027-04-03T16:00:00.000Z.

Sydney: 2027-04-04 02:59 UTC+11:00 → 2027-04-04 02:00 UTC+10:00.

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

Exact periods outside the most common difference in 2026

The most frequent difference has EST 16h behind relative to Sydney. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with Sydney
4 Apr 2026, 16:00 UTC3 Oct 2026, 16:00 UTC15h behind
PLAN BEYOND A SINGLE DAY

Sydney–EST working hours through 2026

Every date calculated with your working windows. 261 selected Sydney 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

Sydney: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. EST: 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

Sydney to EST: useful answers

Why is the Sydney to EST difference sometimes 15 hours and sometimes 16 hours?

Sydney is 15h or 16h ahead of EST in 2026, depending on the date. Sydney changes its UTC offset in 2026. EST is a fixed offset.

Is EST the same as local city time?

EST is fixed at UTC−05:00. Sydney to New York (ET) uses regional rules instead. On 2026-11-04, 09:00 at the source becomes 17:00 at the destination (EST). Choose the local-city option above when that is the clock you mean.

Which cities match EST throughout 2026?

Lima, Peru; Bogota, Colombia; Quito, Ecuador; Kingston, Jamaica keep the same UTC−05:00 offset as fixed EST throughout 2026 under the published rules. Matching an offset does not mean every place uses the abbreviation EST.

Does the Sydney–EST 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 Sydney on 2026-11-04 is 17:00 in EST on 2026-11-03. Use the destination date when adding the meeting to a calendar.

Can Sydney and EST meet during working hours?

Your selected working windows have no shared time on 2026-11-04. 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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