GMT to AEDT Time Converter

Convert Greenwich Mean Time (GMT) to Australian Eastern Daylight Time (AEDT). Both time zones are shown live below; current offset between them is 9 hours ahead.

London · Greenwich Mean Time
10:00:37
Tuesday, May 12, 2026
GMT+1 · UTC+01:00
Sydney · Australian Eastern Daylight Time
19:00:37
Tuesday, May 12, 2026
GMT+10 · UTC+10:00

Convert a specific time

From: GMT (London)
To: AEDT (Sydney)
--:--

Daylight Saving status right now

GMT (Greenwich Mean Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
AEDT (Australian Eastern Daylight Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-10-04
Offset shift
UTC+10:00 → UTC+11:00

When can GMT and AEDT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
GMT
AEDT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in London (GMT). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–09:00 GMT (17:00–18:00 AEDT).

Hour-by-hour GMT to AEDT conversion table

GMT time (London)AEDT time (Sydney)Status
00:00 Tue09:00 TueAEDT working
01:00 Tue10:00 TueAEDT working
02:00 Tue11:00 TueAEDT working
03:00 Tue12:00 TueAEDT working
04:00 Tue13:00 TueAEDT working
05:00 Tue14:00 TueAEDT working
06:00 Tue15:00 TueAEDT working
07:00 Tue16:00 TueAEDT working
08:00 Tue17:00 TueOff-hours both sides
09:00 Tue18:00 TueGMT working
10:00 Tue19:00 TueGMT working
11:00 Tue20:00 TueGMT working
12:00 Tue21:00 TueGMT working
13:00 Tue22:00 TueGMT working
14:00 Tue23:00 TueGMT working
15:00 Tue00:00 WedGMT working
16:00 Tue01:00 WedGMT working
17:00 Tue02:00 WedOff-hours both sides
18:00 Tue03:00 WedOff-hours both sides
19:00 Tue04:00 WedOff-hours both sides
20:00 Tue05:00 WedOff-hours both sides
21:00 Tue06:00 WedOff-hours both sides
22:00 Tue07:00 WedOff-hours both sides
23:00 Tue08:00 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham
Australian Eastern Daylight Time (AEDT)
IANA identifier
Australia/Sydney
Current UTC offset
UTC+10:00
Current abbreviation
GMT+10
Major cities in this zone
SydneyMelbourneCanberra

Sun today in London and Sydney

London
Sunrise
05:14
Sunset
20:41
Solar noon
12:58
Daylight
15h 26m
Sydney
Sunrise
06:38
Sunset
17:06
Solar noon
11:52
Daylight
10h 27m

Related converters

AEDT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to AEDTPST to AEDTUTC to AEDTCET to AEDTIST to AEDT
Looking for local time? See time in London or time in Sydney.

Frequently asked questions

What is the time difference between GMT and AEDT right now?+
AEDT (Australian Eastern Daylight Time) is currently 9 hours ahead GMT (Greenwich Mean Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does GMT or AEDT observe daylight saving time?+
GMT: observes daylight saving time. AEDT: observes daylight saving time.
When is the best time to schedule a meeting between GMT and AEDT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 GMT (17:00–18:00 AEDT).
What time is it in Sydney when it is 12:00 noon in London?+
When it is 12:00 Tue in London (GMT), it is 21:00 Tue in Sydney (AEDT).
Which IANA time zone identifiers are used for GMT and AEDT?+
GMT maps to "Europe/London" in the IANA database. AEDT maps to "Australia/Sydney". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Sydney?+
Whether London (GMT) is ahead of or behind Sydney (AEDT) depends on the current UTC offsets. Right now AEDT is 9 hours ahead GMT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GMT and AEDT?+
GMT is UTC+01:00 (GMT+1) and AEDT is UTC+10:00 (GMT+10). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both GMT and AEDT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between GMT and AEDT is 08:00–09:00 GMT.