Thursday 01 Jan New Year's Day
Friday 02 Jan New Year's Day OBS
Friday 06 Feb Waitangi Day
Friday 03 Apr Good Friday
Monday 06 Apr Easter Monday
Monday 27 Apr ANZAC Day OBS
Monday 01 Jun Queen's Birthday
Monday 26 Oct Labour Day
Friday 25 Dec Christmas Day
Monday 28 Dec Boxing Day OBS
Source: https://www.nzx.com/markets/NZSX/trading_hours