Compare London, United Kingdom, with Adelaide, 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 Adelaide.
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.
Adelaide uses Australia/Adelaide. Adelaide uses Australian Central Standard Time in winter and Australian Central Daylight Time in summer. Its UTC offset includes a half hour, so whole-hour shortcuts can give the wrong answer.
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.