Sydney, Australia to London, United Kingdom to GMT
Compare Sydney time with London and GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
AEDT (Australian Eastern Daylight Time) is 11 hours ahead of GMT (Greenwich Mean Time) and 11 hours ahead of Greenwich Mean Time
11:00 pm23:00 in Sydney, Australia is 12:00 pm12:00 in London, United Kingdom and is 12:00 pm12:00 in GMT
Sydney to London call time
Best time for a conference call or a meeting is between 6pm-7pm in Sydney which corresponds to 7am-8am in London
Sydney to GMT call time
Best time for a conference call or a meeting is between 6pm-7pm in Sydney which corresponds to 7am-8am in GMT
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
11:00 pm23:00 Sydney, Australia / 12:00 pm12:00 London, United Kingdom / 12:00 pm12:00 GMT
| Sydney, Australia | London, United Kingdom | GMT |
|---|---|---|
| 12am (midnight) | 1pm | 1pm |
| 1am | 2pm | 2pm |
| 2am | 3pm | 3pm |
| 3am | 4pm | 4pm |
| 4am | 5pm | 5pm |
| 5am | 6pm | 6pm |
| 6am | 7pm | 7pm |
| 7am | 8pm | 8pm |
| 8am | 9pm | 9pm |
| 9am | 10pm | 10pm |
| 10am | 11pm | 11pm |
| 11am | 12am (midnight) | 12am (midnight) |
| 12pm (noon) | 1am | 1am |
| 1pm | 2am | 2am |
| 2pm | 3am | 3am |
| 3pm | 4am | 4am |
| 4pm | 5am | 5am |
| 5pm | 6am | 6am |
| 6pm | 7am | 7am |
| 7pm | 8am | 8am |
| 8pm | 9am | 9am |
| 9pm | 10am | 10am |
| 10pm | 11am | 11am |
| 11pm | 12pm (noon) | 12pm (noon) |
| 00:00 | 13:00 | 13:00 |
| 01:00 | 14:00 | 14:00 |
| 02:00 | 15:00 | 15:00 |
| 03:00 | 16:00 | 16:00 |
| 04:00 | 17:00 | 17:00 |
| 05:00 | 18:00 | 18:00 |
| 06:00 | 19:00 | 19:00 |
| 07:00 | 20:00 | 20:00 |
| 08:00 | 21:00 | 21:00 |
| 09:00 | 22:00 | 22:00 |
| 10:00 | 23:00 | 23:00 |
| 11:00 | 00:00 | 00:00 |
| 12:00 | 01:00 | 01:00 |
| 13:00 | 02:00 | 02:00 |
| 14:00 | 03:00 | 03:00 |
| 15:00 | 04:00 | 04:00 |
| 16:00 | 05:00 | 05:00 |
| 17:00 | 06:00 | 06:00 |
| 18:00 | 07:00 | 07:00 |
| 19:00 | 08:00 | 08:00 |
| 20:00 | 09:00 | 09:00 |
| 21:00 | 10:00 | 10:00 |
| 22:00 | 11:00 | 11:00 |
| 23:00 | 12:00 | 12:00 |
Sydney Information
Time Zone
AEDT - Australian Eastern Daylight Time
+11:00 hours during Australian Eastern Daylight Time.
Sunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.Sydney Facts
London Information
Time Zone
GMT - Greenwich Mean Time
+0:00 hours during Greenwich Mean Time.
Sunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.London Facts
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Abidjan, Dakar, Grand Dakar, Accra.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone