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Chatham Islands Anniversary Day

Chatham Islands Anniversary Day 2025, 2026 and 2027

In Chatham Islands Territory, a public holiday celebrates the founding of the islands’ first European settlement back in 1791. It’s called Chatham Islands Anniversary Day and is observed on the Monday nearest to 30 November.

YearDateDayHoliday
20251 DecMonChatham Islands Anniversary Day
202630 NovMonChatham Islands Anniversary Day
202729 NovMonChatham Islands Anniversary Day
Please scroll down to end of page for previous years' dates.

All regions and territories of New Zealand are required by law to have a founding day during which workers can get the day off. Chatham Islands Anniversary Day fulfil this requirement, but it is very low key. It is mostly just a day off work for locals.

Chatham Islands was discovered by William Broughton of the HMS Chatham on 29 November, 1791. He quickly named the newly found islands after the ship that brought him to them and declared his new discovery to belong to the British Empire. The islands became part of New Zealand, however, only in 1842.

Previous Years

YearDateDayHoliday
20242 DecMonChatham Islands Anniversary Day
202327 NovMonChatham Islands Anniversary Day