Wednesday 01 Jan New Year's Day
Thursday 02 Jan New Year's Day
Thursday 06 Feb Waitangi Day
Friday 18 Apr Good Friday
Monday 21 Apr Easter Monday
Friday 25 Apr ANZAC Day
Monday 02 Jun Queen's Birthday
Monday 27 Oct Labour Day
Thursday 25 Dec Christmas Day
Friday 26 Dec Boxing Day
Source: https://www.nzx.com/markets/NZSX/trading_hours