Sydney
Australia
New Zealand · Pacific/Auckland
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Auckland uses New Zealand Standard Time (NZST, UTC+12) in winter and New Zealand Daylight Time (NZDT, UTC+13) in summer. It lies just west of the International Date Line, so it is one of the first large cities to reach each new calendar day. When Aucklanders start work on a Monday morning, it is still Sunday afternoon in New York and Sunday evening in London.
Clocks go forward at 02:00 on the last Sunday of September and back at 03:00 on the first Sunday of April, a schedule in force since 2007 that gives New Zealand about 27 weeks of daylight time. Sydney changes a week later in spring, so Auckland is usually two hours ahead of Sydney but three hours ahead for that one week. London is 13 hours behind in January, 11 hours behind in July and 12 hours behind in between.
New Zealand is generally credited as the first country to adopt a single standard time for its whole territory. On 2 November 1868 the colony set its clocks eleven and a half hours ahead of Greenwich, largely so that the new telegraph network could run on one time. The offset became twelve hours in 1946. One part of the country still differs: the Chatham Islands, 800 kilometres to the east, are 45 minutes ahead of Auckland.
Dates reflect the rules in force when this page was last updated. Governments can change them at short notice.
Use the actual meeting date. Seasonal clock changes can alter the time difference.
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