TimeToZone

AEST to GMT Converter

GMT is 11 hours behind AEDT. 9:00 AM AEDT = 10:00 PM GMT (previous day).

⇄ Swap
AESTfrom
Australian Eastern Standard Time
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GMT
Greenwich Mean Time
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GMT is 11 hours behind AEDT at the moment. To convert AEST to GMT, subtract 11 hours from the AEST time: 9:00 AM AEDT = 10:00 PM GMT (previous day).

AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.

Queensland stays on AEST all year. The UK is on GMT only in winter; in summer it uses BST (UTC+1). AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.

AEST to GMT time conversion table

AEST to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

AESTGMTDay
12:00 AM AEDT1:00 PM GMTprevious day
1:00 AM AEDT2:00 PM GMTprevious day
2:00 AM AEDT3:00 PM GMTprevious day
3:00 AM AEDT4:00 PM GMTprevious day
4:00 AM AEDT5:00 PM GMTprevious day
5:00 AM AEDT6:00 PM GMTprevious day
6:00 AM AEDT7:00 PM GMTprevious day
7:00 AM AEDT8:00 PM GMTprevious day
8:00 AM AEDT9:00 PM GMTprevious day
9:00 AM AEDT10:00 PM GMTprevious day
10:00 AM AEDT11:00 PM GMTprevious day
11:00 AM AEDT12:00 AM GMTnight
12:00 PM AEDT1:00 AM GMTnight
1:00 PM AEDT2:00 AM GMTnight
2:00 PM AEDT3:00 AM GMTnight
3:00 PM AEDT4:00 AM GMTnight
4:00 PM AEDT5:00 AM GMTnight
5:00 PM AEDT6:00 AM GMT—
6:00 PM AEDT7:00 AM GMT—
7:00 PM AEDT8:00 AM GMT—
8:00 PM AEDT9:00 AM GMT—
9:00 PM AEDT10:00 AM GMT—
10:00 PM AEDT11:00 AM GMT—
11:00 PM AEDT12:00 PM GMT—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert AEST to GMT

Subtract 11 hours from the AEST time to get GMT.

Example: 9:00 AM AEDT = 10:00 PM GMT (previous day).

Across midnight: 1:00 AM AEDT = 2:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.

Time difference between AEST and GMT

The time difference between AEST and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 4 Apr 2026: GMT is 11 hours behind of AEST.
  • 5 Apr 2026 – 3 Oct 2026: GMT is 10 hours behind of AEST.
  • 4 Oct 2026 – 31 Dec 2026: GMT is 11 hours behind of AEST.

AEST and GMT during daylight saving time

  • AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
  • GMT does not observe daylight saving time; it stays on UTC+0 all year.

Best time for a meeting between AEST and GMT

AEST and GMT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 8:00 PM GMT.

Plan a meeting across more time zones.

AEST to GMT FAQ

What is the time difference between AEST and GMT?

Right now GMT is 11 hours behind AEDT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM AEST in GMT?

9:00 AM AEDT is 10:00 PM GMT (previous day).

What is 12 PM (noon) AEST in GMT?

12:00 PM AEDT is 1:00 AM GMT.

Is GMT ahead of or behind AEST?

GMT is 11 hours behind AEDT, so it is earlier in GMT than in AEST.

Does AEST change for daylight saving time?

Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.

Does GMT change for daylight saving time?

No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between AEST and GMT?

AEST and GMT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 8:00 PM GMT.

Related conversions

Convert GMT to AEST

Convert AEST to other time zones

Convert other time zones to GMT

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.