Chatham Islands Anniversary Day: 2026 and 2027 dates
Chatham Islands Anniversary Day is observed on the Monday closest to 30 November, marking the sighting of the islands by HMS Chatham in 1791. The Chathams form their own territorial authority, distinct from any mainland region.
2026
30 November 2026
2027
29 November 2027
Rule: Monday closest to 30 November.
2026 public holidays in Chatham Islands
All 11 nationwide public holidays plus Chatham Islands Anniversary Day.
| Holiday | Date | Day |
|---|---|---|
| New Year's Day | 1 January 2026 | Thursday |
| Day after New Year's Day | 2 January 2026 | Friday |
| Waitangi Day | 6 February 2026 | Friday |
| Good Friday | 3 April 2026 | Friday |
| Easter Monday | 6 April 2026 | Monday |
| Anzac Day mondayised | 27 April 2026 | Monday |
| King's Birthday | 1 June 2026 | Monday |
| Matariki | 10 July 2026 | Friday |
| Labour Day | 26 October 2026 | Monday |
| Christmas Day | 25 December 2026 | Friday |
| Boxing Day mondayised | 28 December 2026 | Monday |
| Chatham Islands Anniversary Day regional | 30 November 2026 | Monday |
Regional anniversary day rule: Monday closest to 30 November.
2027 public holidays in Chatham Islands
All 11 nationwide public holidays plus Chatham Islands Anniversary Day.
| Holiday | Date | Day |
|---|---|---|
| New Year's Day | 1 January 2027 | Friday |
| Day after New Year's Day mondayised | 4 January 2027 | Monday |
| Waitangi Day mondayised | 8 February 2027 | Monday |
| Good Friday | 26 March 2027 | Friday |
| Easter Monday | 29 March 2027 | Monday |
| Anzac Day mondayised | 26 April 2027 | Monday |
| King's Birthday | 7 June 2027 | Monday |
| Matariki | 25 June 2027 | Friday |
| Labour Day | 25 October 2027 | Monday |
| Christmas Day mondayised | 27 December 2027 | Monday |
| Boxing Day mondayised | 28 December 2027 | Tuesday |
| Chatham Islands Anniversary Day regional | 29 November 2027 | Monday |
Regional anniversary day rule: Monday closest to 30 November.
Frequently asked questions
When is Chatham Islands Anniversary Day 2026?
Chatham Islands Anniversary Day 2026 is observed on 30 November 2026. The statutory rule is: monday closest to 30 november.
When is Chatham Islands Anniversary Day 2027?
Chatham Islands Anniversary Day 2027 is observed on 29 November 2027.
Who observes Chatham Islands Anniversary Day?
Workers in the Chatham Islands region observe Chatham Islands Anniversary Day. The day is set under the Holidays Act 2003 s.44 and traces back to the original 19th-century New Zealand provinces.
Is Chatham Islands Anniversary Day a public holiday under the Holidays Act?
Yes. Provincial anniversary days are listed as public holidays under section 44 of the Holidays Act 2003. They are observed on top of the 11 nationwide public holidays, so most workers in Chatham Islands get 12 paid public holidays a year in total.