Time zone in Sydney
Sydney is on Australian Eastern Standard Time (AEST, UTC+10) in winter and switches to Australian Eastern Daylight Time (AEDT, UTC+11) in summer. Its identifier in the international time zone database is Australia/Sydney: it is what your phone and computer use to show the right time there.
Clock changes in Sydney:
- 2026: back 1 h on Sunday, April 5, 2026 (3:00 AM becomes 2:00 AM), then forward 1 h on Sunday, October 4, 2026 (2:00 AM becomes 3:00 AM).
- 2027: back 1 h on Sunday, April 4, 2027 (3:00 AM becomes 2:00 AM), then forward 1 h on Sunday, October 3, 2027 (2:00 AM becomes 3:00 AM).
In southeastern Australia, clocks go forward on the first Sunday of October and back on the first Sunday of April. The seasons are reversed: summer time runs while Europe and North America are in winter.
By the sun, noon in Sydney falls at about 11:55 AM in winter and 12:55 PM in summer (on average over the year). The city lies at 151.21° east, and every degree of longitude shifts the sun by 4 minutes. Clock time is close to sun time here. See the sunrise and sunset times in Sydney.
Time difference with major cities
When it is 12:00 PM (noon) in Sydney, it is:
| City | January | July |
|---|---|---|
| New York | 8:00 PM, day before | 10:00 PM, day before |
| Los Angeles | 5:00 PM, day before | 7:00 PM, day before |
| London | 1:00 AM | 3:00 AM |
| Paris | 2:00 AM | 4:00 AM |
| Tokyo | 10:00 AM | 11:00 AM |
| Chicago | 7:00 PM, day before | 9:00 PM, day before |
The gap with Tokyo changes by one hour during the year, because Sydney changes its clocks and this city does not. With New York, Los Angeles, London, Paris and Chicago, the gap is not the same in January and July: the clocks change at other times of the year there.
Best time to call Sydney from New York
To reach someone at work in Sydney from New York: in January, the best window is from 5:00 PM to 10:00 PM in New York, which is 9:00 AM to 2:00 PM the next day in Sydney. In July, the best window is from 7:00 PM to 10:00 PM in New York, which is 9:00 AM to 12:00 PM the next day in Sydney.
Detailed time differences: Paris and Sydney, London and Sydney. For any other city, use the time zone converter.