Matariki is a distinctly New Zealand tradition.
Matariki is the Māori name for the stars also known as the Pleiades star cluster in the constellation Taurus. Celebrations begin on the day of the first new moon following the rising of the star cluster.
In 2017 the Matariki star cluster rose in New Zealand skies on June 25, beginning a month of celebration. And for those planning celebrations in 2018, Matariki will rise on June 15.
— Dayne Laird (@dalnzl) June 19, 2017