The winter solstice just gone was on the 22nd at 11:12 UTC. Does that mean the longest night was the night before or the one after? Or more generally, given the time of the winter solstice of any ...
The winter solstice in the Northern Hemisphere in 2011 is on December 22. But if I look at the sunset times for a location such as Washington, DC on the USNO site, the sunset time starts reversing ...