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City data by GeoNames (CC BY 4.0). Timezone data from IANA Time Zone Database.

  1. WorldClockTools
  2. Time Zone Converter
  3. AEDT -> GMT

Timezone converter

AEDT to GMT Converter.

AEDT → GMTGap: -9hNo 9-5 overlap

AEDT to GMT currently uses Australian Eastern Time in Australia/Sydney and Greenwich Mean Time in Europe/London as the live reference pair, with a -9h live gap. AEDT to GMT matters whenever Sydney and London need to coordinate across a -9h gap. The AEDT side covers Australia, while GMT covers United Kingdom and Ivory Coast — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Last updated Apr 27, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

How this is calculated

How we calculate this
The current offset for each abbreviation is resolved against the live IANA timezone rules. Conversion accounts for DST transitions on both sides, so the gap between AEDT and GMT can change by an hour twice a year.
Data sources
IANA Time Zone Database (offsets, DST). City attribution from GeoNames (CC BY 4.0).
Update cadence
Page regenerates daily; live offset values reflect the moment the page is rendered.
Reverse: GMT → AEDT

From

AEDT

Australian Eastern Time

Australia/Sydney · GMT+10 +10:00

--:--:--

Major markets in this grouping include Sydney, Brisbane, Gold Coast, Newcastle.

To

GMT

Greenwich Mean Time

Europe/London · GMT+1 +01:00

--:--:--

Major markets in this grouping include London, Abidjan, Bamako, Dakar.

Scheduling snapshot

Current gap

-9h

AEDT +10:00 vs GMT +01:00

9-to-5 overlap

No shared block

Meetings usually need an early or late handoff.

Representative countries

Australia / United Kingdom, Ivory Coast, and Mali

Based on the busiest city and zone usage found in the current dataset.

Pair context

AEDT (Sydney, +10:00) to GMT (London, +01:00) is currently a -9h conversion. Live coverage on the AEDT side is anchored by Sydney, Brisbane, Gold Coast, and Newcastle; the GMT side draws from London, Abidjan, Bamako, and Dakar.

AEDT to GMT matters whenever Sydney and London need to coordinate across a -9h gap. The AEDT side covers Australia, while GMT covers United Kingdom and Ivory Coast — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

The pair sits -9h apart across Oceania and Europe, which usually allows a meaningful shared workday on at least one end.

Both AEDT (Australia/Sydney) and GMT (Europe/London) observe daylight saving, but the shift dates do not always align. Expect short mismatch windows in spring and autumn when one side has changed and the other has not, which moves the live gap by an hour for several weeks at a time.

AEDT and GMT sit exactly 9h apart, which leaves no shared 9-to-5 block. Live meetings have to bend one side's day, so most teams settle for one of two narrow windows: very early on the late side, or very late on the early side. That makes async messages, recorded standups, and clear handoff notes more valuable than calendar invites.

Market coverage on both sides

AEDT coverage on this page is led by Sydney, Australia, Brisbane, Australia, Gold Coast, Australia, and Newcastle, Australia, with 2 more in the live dataset. That mix is what makes AEDT feel anchored to Oceania and Pacific business activity in practice rather than just an abbreviation on a chart.

GMT coverage is led by London, United Kingdom, Abidjan, Ivory Coast, Bamako, Mali, and Dakar, Senegal, with 2 more anchoring the wider label family. Combined with the AEDT side, this conversion ends up describing cross-region coordination that uses the morning-on-one-side, afternoon-on-the-other window for live work.

Digit-Roll Converter

Adjust the time — digits roll like an odometer. Swap button flips the zones.

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Common meeting times

AEDT to GMT meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

AEDTGMTDay relation
9:00 AM12:00 AMMon, Apr 27same day
12:00 PM3:00 AMMon, Apr 27same day
3:00 PM6:00 AMMon, Apr 27same day
6:00 PM9:00 AMMon, Apr 27same day
9:00 PM12:00 PMMon, Apr 27same day

GMT to AEDT meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

GMTAEDTDay relation
9:00 AM6:00 PMMon, Apr 27same day
12:00 PM9:00 PMMon, Apr 27same day
3:00 PM12:00 AMTue, Apr 28next day
6:00 PM3:00 AMTue, Apr 28next day
9:00 PM6:00 AMTue, Apr 28next day

Operational notes

AEDT to GMT ranges from AEDT 9:00 AM (which lands at GMT 12:00 AM) through AEDT 9:00 PM (GMT 12:00 PM). With no clean 9-to-5 overlap between AEDT and GMT, both ends of this range push outside standard hours — useful for recorded standups and async work, awkward for live calls.

GMT to AEDT ranges from GMT 9:00 AM (which lands at AEDT 6:00 PM) through GMT 9:00 PM (AEDT 6:00 AM). Most of those slots fall on a different calendar day on the AEDT side, which is why this direction always needs explicit dates in invites and ticket comments — the time alone is not enough.

Popular hour answers

These direct answers are here for the exact-intent searches people actually use, like “10 AM AEDT to GMT” or “4 PM AEDT in GMT”.

8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM9 PM

What is 8 AM AEDT in GMT?

8 AM AEDT = 11:00 PM GMT (23:00). On today's live calendar that lands on Sun, Apr 26 in GMT, which means the answer is a previous day conversion rather than a static offset lookup.

What is 9 AM AEDT in GMT?

9 AM AEDT = 12:00 AM GMT (00:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 10 AM AEDT in GMT?

10 AM AEDT = 1:00 AM GMT (01:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 11 AM AEDT in GMT?

11 AM AEDT = 2:00 AM GMT (02:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 12 PM AEDT in GMT?

12 PM AEDT = 3:00 AM GMT (03:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 1 PM AEDT in GMT?

1 PM AEDT = 4:00 AM GMT (04:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 2 PM AEDT in GMT?

2 PM AEDT = 5:00 AM GMT (05:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 3 PM AEDT in GMT?

3 PM AEDT = 6:00 AM GMT (06:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 4 PM AEDT in GMT?

4 PM AEDT = 7:00 AM GMT (07:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 5 PM AEDT in GMT?

5 PM AEDT = 8:00 AM GMT (08:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 6 PM AEDT in GMT?

6 PM AEDT = 9:00 AM GMT (09:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 PM AEDT in GMT?

9 PM AEDT = 12:00 PM GMT (12:00). On today's live calendar that lands on Mon, Apr 27 in GMT, which means the answer is a same day conversion rather than a static offset lookup.

Overlap window and DST radar

The live gap is -9h right now, based on Australia/Sydney at +10:00 and Europe/London at +01:00. The zones change on different dates, so there is a DST mismatch window between October 4, 2026 and October 25, 2026. During that stretch the gap shifts to -10h before settling at -11h.

There is no strict 9 AM to 5 PM overlap right now, so this pair is better for handoffs, travel planning, or async coordination than for midday meetings.

Australia/Sydney changes on October 4, 2026 at about 3:22 AM, moving from +11:00 to +11:00.
Europe/London changes on October 25, 2026 at about 1:22 AM, moving from +00:00 to +00:00.

Reference zones

Australia/Sydney

GMT+10 · +10:00

Europe/London

GMT+1 · +01:00

These are the busiest live references selected from the abbreviation families on this page.

Conversion Table

AEDTGMT
10:0001:00
11:0002:00
12:0003:00
13:0004:00
14:0005:00
15:0006:00
16:0007:00
17:0008:00
18:0009:00
19:0010:00
20:0011:00
21:0012:00
22:0013:00
23:0014:00
00:0015:00
01:0016:00
02:0017:00
03:0018:00
04:0019:00
05:0020:00
06:0021:00
07:0022:00
08:0023:00
09:0000:00

Top cities using AEDT

Countries represented here include Australia.

SydneyAustraliaBrisbaneAustraliaGold CoastAustraliaNewcastleAustraliaCanberraAustraliaCentral CoastAustraliaSunshine CoastAustraliaLogan CityAustraliaWollongongAustraliaTownsvilleAustralia

Top cities using GMT

Countries represented here include United Kingdom, Ivory Coast, and Mali.

LondonUnited KingdomAbidjanIvory CoastBamakoMaliDakarSenegalKumasiGhanaOuagadougouBurkina FasoLoméTogoAccraGhanaConakryGuineaCamayenneGuinea

FAQ

How many hours is GMT ahead of AEDT?
GMT is currently -9h relative to AEDT, using Australia/Sydney and Europe/London as the live reference zones on this page.
What is the best workday overlap between AEDT and GMT?
There is no strict 9-to-5 overlap right now, so one side usually needs an early start or late finish for live meetings.
Does the AEDT-GMT time difference change during DST?
The live gap is -9h right now, based on Australia/Sydney at +10:00 and Europe/London at +01:00. The zones change on different dates, so there is a DST mismatch window between October 4, 2026 and October 25, 2026. During that stretch the gap shifts to -10h before settling at -11h.
Which cities commonly use AEDT and GMT?
AEDT commonly covers cities such as Sydney, Brisbane, Gold Coast, and Newcastle, while GMT commonly covers cities such as London, Abidjan, Bamako, and Dakar.
Should I use AEDT/GMT or exact IANA zones?
Use the abbreviations for a quick read, but use exact IANA zones such as Australia/Sydney and Europe/London when you need something precise in software, travel plans, or long-range scheduling.
Open Interactive Converter

Related Conversions

EST → GMTEST → AEDTPST → GMTPST → AEDTCST → GMTCST → AEDTMST → GMTMST → AEDTGMT → UTCGMT → ISTGMT → CETGMT → CEST

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