London to Perth to Sydney to Madrid Time Converter
Quick answers
London to Perth
For most of the year, London is 7 hours behind Perth. During seasonal clock changes, London is 8 hours behind Perth.
For most of the year, working hours of 9:00 am to 5:00 pm in London correspond to 4:00 pm to 12:00 am (next day) in Perth. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in London correspond to 5:00 pm to 1:00 am (next day) in Perth.
London to Sydney
Depending on seasonal clock changes, London is 9 hours behind Sydney, London is 10 hours behind Sydney, or London is 11 hours behind Sydney.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in London correspond to 6:00 pm to 2:00 am (next day) in Sydney, working hours of 9:00 am to 5:00 pm in London correspond to 7:00 pm to 3:00 am (next day) in Sydney, or working hours of 9:00 am to 5:00 pm in London correspond to 8:00 pm to 4:00 am (next day) in Sydney.
London to Madrid
London is 1 hour behind Madrid year-round.
Working hours of 9:00 am to 5:00 pm in London correspond to 10:00 am to 6:00 pm in Madrid.
Compare London time with Perth, Sydney, and Madrid time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
GMT (Greenwich Mean Time) is 8 hours behind AWST (Australian Western Standard Time) and 11 hours behind AEDT (Australian Eastern Daylight Time) and 1 hour behind CET (Central European Time)
12:00 pm12:00 in London, United Kingdom is 8:00 pm20:00 in Perth, Australia and is 11:00 pm23:00 in Sydney, Australia and is 1:00 pm13:00 in Madrid, Spain
London to Perth call time
Best time for a conference call or a meeting is between 8:30am-9:30am in London which corresponds to 4:30pm-5:30pm in Perth
London to Sydney call time
Best time for a conference call or a meeting is between 7am-8am in London which corresponds to 6pm-7pm in Sydney
London to Madrid call time
Best time for a conference call or a meeting is between 9am-4pm in London which corresponds to 10am-5pm in Madrid
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
8:00 pm20:00 AWST (Australian Western Standard Time) (Perth, Australia). Offset UTC +8:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
1:00 pm13:00 CET (Central European Time) (Madrid, Spain). Offset UTC +1:00 hour
12:00 pm12:00 London, United Kingdom / 8:00 pm20:00 Perth, Australia / 11:00 pm23:00 Sydney, Australia / 1:00 pm13:00 Madrid, Spain
| London, United Kingdom | Perth, Australia | Sydney, Australia | Madrid, Spain |
|---|---|---|---|
| 12am (midnight) | 8am | 11am | 1am |
| 1am | 9am | 12pm (noon) | 2am |
| 2am | 10am | 1pm | 3am |
| 3am | 11am | 2pm | 4am |
| 4am | 12pm (noon) | 3pm | 5am |
| 5am | 1pm | 4pm | 6am |
| 6am | 2pm | 5pm | 7am |
| 7am | 3pm | 6pm | 8am |
| 8am | 4pm | 7pm | 9am |
| 9am | 5pm | 8pm | 10am |
| 10am | 6pm | 9pm | 11am |
| 11am | 7pm | 10pm | 12pm (noon) |
| 12pm (noon) | 8pm | 11pm | 1pm |
| 1pm | 9pm | 12am (midnight) | 2pm |
| 2pm | 10pm | 1am | 3pm |
| 3pm | 11pm | 2am | 4pm |
| 4pm | 12am (midnight) | 3am | 5pm |
| 5pm | 1am | 4am | 6pm |
| 6pm | 2am | 5am | 7pm |
| 7pm | 3am | 6am | 8pm |
| 8pm | 4am | 7am | 9pm |
| 9pm | 5am | 8am | 10pm |
| 10pm | 6am | 9am | 11pm |
| 11pm | 7am | 10am | 12am (midnight) |
| 00:00 | 08:00 | 11:00 | 01:00 |
| 01:00 | 09:00 | 12:00 | 02:00 |
| 02:00 | 10:00 | 13:00 | 03:00 |
| 03:00 | 11:00 | 14:00 | 04:00 |
| 04:00 | 12:00 | 15:00 | 05:00 |
| 05:00 | 13:00 | 16:00 | 06:00 |
| 06:00 | 14:00 | 17:00 | 07:00 |
| 07:00 | 15:00 | 18:00 | 08:00 |
| 08:00 | 16:00 | 19:00 | 09:00 |
| 09:00 | 17:00 | 20:00 | 10:00 |
| 10:00 | 18:00 | 21:00 | 11:00 |
| 11:00 | 19:00 | 22:00 | 12:00 |
| 12:00 | 20:00 | 23:00 | 13:00 |
| 13:00 | 21:00 | 00:00 | 14:00 |
| 14:00 | 22:00 | 01:00 | 15:00 |
| 15:00 | 23:00 | 02:00 | 16:00 |
| 16:00 | 00:00 | 03:00 | 17:00 |
| 17:00 | 01:00 | 04:00 | 18:00 |
| 18:00 | 02:00 | 05:00 | 19:00 |
| 19:00 | 03:00 | 06:00 | 20:00 |
| 20:00 | 04:00 | 07:00 | 21:00 |
| 21:00 | 05:00 | 08:00 | 22:00 |
| 22:00 | 06:00 | 09:00 | 23:00 |
| 23:00 | 07:00 | 10:00 | 00:00 |
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
Perth Information
Time Zone
Perth Facts
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
Madrid Information
Time Zone
CET - Central European Standard Time
+1:00 hours during Central European Standard Time.
Sunday, March 29, 2026 at 2:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Sunday, October 25, 2026 at 3:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.