Winter 2025 Start Date Nz. The school holidays end in nz in 2025 as follows: Start no later than saturday 21 december 2025 and run for 5 or 6 weeks (from school’s closing day until the opening date the following year).
This year the winter solstice in the northern hemisphere is on 21 december and therefore our astronomical winter begins on that date. The school holidays end in nz in 2025 as follows: