fox exameple, the heading may state:
fox the three months ended december 31, 2012 (the period of october 1 through december 31, 2012)
the four weeks ended december 27, 2012 (the period of november 29 through december 27, 2012)
the fiscal year ended june 30, 2013 (the period of july 1, 2012 through june 30, 2013)