Hey Space Placers!
Well, we are 1 month into winter with 2 months to go to Spring.
Have you noticed that the hours of daylight ARE getting longer. By the end of January sunset will be at 5:30 pm and by the end of February sunset is at 6 pm. We are gaining a minute or more of daylight a day.
Check the link for Washington DC sunrise and sunset times : http://aa.usno.navy.mil/cgi-bin/aa_rstablew2.pl
If you need another location here is the link: http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year-us
Sky Guy in VA