It's commonly referred to as "Mid-Summers Night Eve" or "The Summer Solstice" and it usually happens on or around the 21st of June. This is the longest day and the shortest night of the year. From this day on the days get shorter and the nights longer until the Winter Solstice which is the other way around; the shortest day and the longest night of the year after which the days start getting longer and nights shorter.
December 21, since New Zealand is in the southern hemisphere.
The inclination of the axis affects seasons (and the amount of light and darkness). In the Northern Hemisphere, the longest day and shortest night are in June. After Summer Solstice, the daylight gradually gets shorter, to the shortest day and longest night in December. In the Southern Hemisphere, Winter Solstice (and shortest day and longest night) are in June, while the Summer Solstice is in December.
June 21st and December 21st, the shortest and longest nights of the year.
It's the shortest day of the year, with the least amount of sunlight.
Southern. Australia, probably.
Equinox
june 21
False. At the summer solstice, a location will have its longest day and MOST direct sunlight.
About 17 hours.
December 22
20 December
The first day of summer (on or about June 21 in the Northern Hermisphere) is the longest day of the year, meaning the most hours of sunlight. From there, each day is a little bit shorter until you come to the shortest day, the first day of winter (on or about December 21). Then they start getting longer again. The first day of summer is called the Summer Solstice, and the first day of winter is called the Winter Solstice.
For the whole of the southern hemisphere, the longest day is 21st of December.
Anywhere in the Northern Hemisphere, the longest days are in June, and the shortest days are in December. The longest day of the year is June 21, and the shortest day is December 21.
December 22nd, 2010
In Australia, the longest day of the year occurs in December, usually around the 21st of the month.