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Specific time, zone to zone

12:00 am EST to AEST — 4:00 pm AEST

12:00 am Eastern Time (EST) is 4:00 pm Australian Eastern Time (AEST) while both regions are on standard time. During the daylight saving period the answer becomes 2:00 pm, because one of the two zones shifts its clocks and the other does not.

Standard time

4:00 pm

Applies while neither zone is on daylight saving — broadly November to March in the northern hemisphere.

Daylight saving

2:00 pm

Applies while the clocks are forward. This pair does not keep a constant gap, so check the date.

Full-day tableQuestions

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How the two zones line up

Eastern Time runs at UTC−5 in winter and UTC−4 in summer. Australian Eastern Time runs at UTC+11 and UTC+10 respectively. Take the difference between the two, add it to 12:00 am, and you get the local time on the other side.

Daylight saving

This pair is one of the awkward ones: the gap between the two zones is not constant, so a meeting booked in one season drifts by an hour in the other. Diary invitations sent as a fixed clock time rather than as a calendar event are the usual casualty.

Where this conversion gets used

  • Offshore development stand-ups
  • overnight support handovers
  • outsourced finance teams
  • supplier calls

EST to AEST — every hour

Both columns are computed from the IANA database, so they follow the real transition dates.

ESTAEST — standardAEST — daylight saving
12:00 am4:00 pm2:00 pm
1:00 am5:00 pm3:00 pm
2:00 am6:00 pm4:00 pm
3:00 am7:00 pm5:00 pm
4:00 am8:00 pm6:00 pm
5:00 am9:00 pm7:00 pm
6:00 am10:00 pm8:00 pm
7:00 am11:00 pm9:00 pm
8:00 am12:00 am (next day)10:00 pm
9:00 am1:00 am (next day)11:00 pm
10:00 am2:00 am (next day)12:00 am (next day)
11:00 am3:00 am (next day)1:00 am (next day)
12:00 pm4:00 am (next day)2:00 am (next day)
1:00 pm5:00 am (next day)3:00 am (next day)
2:00 pm6:00 am (next day)4:00 am (next day)
3:00 pm7:00 am (next day)5:00 am (next day)
4:00 pm8:00 am (next day)6:00 am (next day)
5:00 pm9:00 am (next day)7:00 am (next day)
6:00 pm10:00 am (next day)8:00 am (next day)
7:00 pm11:00 am (next day)9:00 am (next day)
8:00 pm12:00 pm (next day)10:00 am (next day)
9:00 pm1:00 pm (next day)11:00 am (next day)
10:00 pm2:00 pm (next day)12:00 pm (next day)
11:00 pm3:00 pm (next day)1:00 pm (next day)

Questions people ask

4:00 pm AEST during standard time, and 2:00 pm while daylight saving is in effect. Check which period the date falls in before you commit to a slot.

Related conversions

10:00 pm EST to AEST11:00 pm EST to AEST6:00 am GMT to AEST7:00 am GMT to AEST

All conversions →

Booking something recurring?

A fixed clock time drifts when either side changes its clocks. Our guides explain how to stop that happening.

Read the DST guidePlan a meeting