Add NZST (New Zealand Standard Time) to your list and use my-locations table to visually convert it's time to another timezone or city time.
Mouse over the colored hour-tiles and glance at the hours selected by the column.

Current time zone for NZST (New Zealand Standard Time) is NZST, whose offset is GMT+13 from Greenwich Mean Time (GMT).

The IANA timezone identifier for NZST, New Zealand Standard Time is "NZST"