The first day of Winter, December 21, 2010.
Assuming you're referencing daylight; The shortest day of the year is the Winter Solstice, which for 2010 is on December 21st.
Dec 21st or 22nd
December 21st is the Winter solstice or shortest day
The winter solstice is today! (Monday, December 20. 2010) It is the shortest day of the year!
December 21, 2010
Yes. Longest day of the year in one hemisphere, and shortest day of the year in the other hemisphere. So our summer solstice on June 21 is the longest day in Europe or America, but the shortest day for the Australians.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
The shortest day in Adelaide tends to occur on 21 June each year. This is the winter solstice, and it is the shortest day throughout Australia.
Because it is the shortest day of the year.
In the northern hemisphere the shortest day would be the 21st of December.
An equinox is not the shortest day. It has the same amount of daylight and darkness. The solstices have the longest and shortest days. The winter solstice is the shortest day of the year in terms of the amount of daylight.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.