Chag Semaech Purim! Starts after Sabbath (Saturday, March 11th and Ends Sunday after Midnight; Except in Israel where it is Shushana Purim through to Monday).
Shushana Purim: http://www.chabad.org/calendar/view/day.asp?tdate=3/13/2017
For more reading on Purim:
http://www.chabad.org/holidays/purim/default_cdo/aid/109190/jewish/Purim.htm