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Convert AEST to ET

Australian Eastern Time (AEST) to Eastern Time (ET)

Australian teams in Sydney, Melbourne, and Canberra coordinating with US East Coast headquarters face one of the most challenging timezone gaps in global business. The 14-16 hour difference -- which swings due to opposite-season DST in both countries -- means today in Australia is still yesterday in the US. Finding synchronous meeting times requires deliberate planning and seasonal adjustment.

When it's 12:00 PM AEST, it's 9:00 PM ET (previous day)

UTC+11 UTC-4 -15 hours

Interactive Converter

Pick any time and date to convert between AEST and ET.

AEST to ET Conversion Table

Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.

AEST ET
12:00 AM 9:00 AM -1 day
1:00 AM 10:00 AM -1 day
2:00 AM 11:00 AM -1 day
3:00 AM 12:00 PM -1 day
4:00 AM 1:00 PM -1 day
5:00 AM 2:00 PM -1 day
6:00 AM 3:00 PM -1 day
7:00 AM 4:00 PM -1 day
8:00 AM 5:00 PM -1 day
9:00 AM 6:00 PM -1 day
10:00 AM 7:00 PM -1 day
11:00 AM 8:00 PM -1 day
12:00 PM 9:00 PM -1 day
1:00 PM 10:00 PM -1 day
2:00 PM 11:00 PM -1 day
3:00 PM 12:00 AM
4:00 PM 1:00 AM
5:00 PM 2:00 AM
6:00 PM 3:00 AM
7:00 PM 4:00 AM
8:00 PM 5:00 AM
9:00 PM 6:00 AM
10:00 PM 7:00 AM
11:00 PM 8:00 AM

Best Meeting Window

Top meeting times for teams in AEST and ET (9 AM -- 6 PM work hours, 1-hour meeting).

12a
3a
6a
9a
12p
3p
6p
9p
AEST GMT+11
ET EDT
Overlap
Everyone available
Most available
Some overlap
Outside work hours
1 4:00 AM -- 5:00 AM AEST
AEST: 4:00 AM ET: 1:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for AEST.

5.9 / 10
2 5:00 AM -- 6:00 AM AEST
AEST: 5:00 AM ET: 2:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for AEST.

5.9 / 10
3 12:00 PM -- 1:00 PM AEST
AEST: 12:00 PM ET: 9:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for ET.

5.9 / 10

Try the Meeting Planner with custom work hours →

Scheduling Tips

  • From Australia, early morning calls (7:00-9:00 AM AEST) catch the US team at their end-of-day (5:00-7:00 PM EST previous day). This is the most natural overlap.
  • Rotate meeting times quarterly so neither the Sydney nor New York team always takes the inconvenient slot.
  • Mark DST transition weeks on your calendar -- the offset shifts by a full hour in both March (US) and October (Australia), and by two hours when both switch within weeks of each other.

Time Difference & DST

ET is 15 hours behind AEST. AEST is at UTC+11 and ET is at UTC-4.

Upcoming DST Transitions:

AEST Clocks fall back on April 6, 2026
ET Clocks fall back on November 2, 2026

The conversion table above reflects the current DST state at build time. Use the interactive converter for live, date-specific conversions.

Major Cities

Australian Eastern Time (AEST)

  • Sydney
  • Canberra
  • Wollongong

Eastern Time (ET)

  • New York
  • Miami
  • Atlanta

Frequently Asked Questions

What is the time difference between AEST and EST?
AEST (UTC+10) is 15 hours ahead of EST (UTC-5) when both are on standard time. However, the gap ranges from 14 to 16 hours depending on DST: 16 hours when Australia is on AEDT and the US is on EST (November-March), 14 hours when the US is on EDT and Australia is on AEST (April-October), and 15 hours when both or neither are on daylight time.
What is 9:00 AM AEST in US Eastern Time?
During Australian standard time and US standard time (brief overlap periods), 9:00 AM AEST is 6:00 PM EST the previous day. During AEDT and EST (November-March), 9:00 AM AEDT is 5:00 PM EST the previous day. The exact offset depends on which DST combination is active.
Why does the Australia-US time difference change so much?
Australia and the US observe DST in opposite seasons. Australia springs forward in October (southern hemisphere spring) while the US springs forward in March (northern hemisphere spring). This creates four different offset combinations throughout the year, ranging from 14 to 16 hours.
When is the best time for a call from Sydney to New York?
From Sydney's perspective, the most practical windows are 7:00-9:00 AM AEST / 5:00-7:00 PM EST the previous day (Apr-Oct), or 8:00-9:00 AM AEDT / 4:00-5:00 PM EST the previous day (Nov-Mar). The Australian morning overlaps with the US previous-day evening.

Related Guides

Scheduling Across Time Zones: Best Practices for Global Teams

Proven strategies for scheduling meetings across multiple time zones. Reduce late-night calls and improve team fairness.

 What Is Daylight Saving Time? History, Rules & Impact on Teams

Learn what DST is, which countries observe it, and how clock changes affect distributed team scheduling across time zones.

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