The length of daylight changes every day. In the northern hemisphere, having been getting shorter every day for 6 months, they start getting longer from December 21st. In the southern hemisphere, having been getting longer every day for 6 months, they start getting shorter from December 21st.
21st June is the longest day of the year and 22nd December is the shortest day of the year.
march 21st and September 21st
On June 21 there is no sunrise on Antarctica and on December 21, there is no sunset.
Yes.
21st December, in Australia
21st of june
21st december, today.
It was A Tuesday
December 21st
December 21st 1972 was a Thursday.
The shortest day in Australia and the southern hemisphere in 2009 was June 21st.