Waitangi Day 2025 Australia. Waitangi day (february 6, 2025) new zealand’s waitangi day celebrates the signing of the treaty of waitangi, often described as the founding document of the nation. Each year the ngāi tahu waitangi day commemorations rotate between the three locations where ngāi tahu signed the treaty:
Take off 3 to 5. Waitangi day (te tiriti o waitangi) was signed in 1840 and is celebrated on the 6th february.