Compare London, United Kingdom, with Sydney, Australia. The converter opens with London as the reference: choose a date and move the time control to see the corresponding local date and time in Sydney.
Current times, UTC offsets and meeting hours load in your browser using its time-zone rules.
London uses Europe/London. London uses GMT in winter and British Summer Time in summer. UK clock changes can fall on different dates from changes overseas.
Sydney uses Australia/Sydney. Sydney uses Australian Eastern Standard Time in winter and Australian Eastern Daylight Time in summer. Its summer falls during the Northern Hemisphere winter.
The difference can vary as daylight saving starts or ends. Check the selected date, especially during the weeks between the cities' clock changes. The converter uses your browser's time-zone data; keeping the browser current helps it follow rule changes.