#winter__wintertime  the coldest season of the year
  supertype:  time_of_year__season  one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions; "the regular sequence of the seasons"
  part:  January__Jan  the first month of the year; begins 10 days after the winter solstice
     part:  Inauguration_Day__January_20  the day designated for inauguration of the United States President
     part:  New_Year's_Day__New_Year's__January_1  the first day of the year
     part:  Martin_Luther_King_Jr's_Birthday__Martin_Luther_King_Day  observed on the Monday closest to January 15
     part:  Tet  Vietnamese New Year; observed for 3 days after the 1st full moon after January 20th
     part:  Saint_Agnes's_Eve__January_20  a Christian holy day
     part:  Solemnity_of_Mary__January_1  (Roman Catholic) a holy day of obligation
     part:  Epiphany_of_Our_Lord__Epiphany__Twelfth_day__Three_Kings'_Day__January_6  twelve days after Christmas; celebrates the visit of the three wise men to the infant Jesus
     part:  Twelfth_night  eve of Twelfth day; evening of January 5
     part:  Christmas__Christmastide__Christmastime__Yule__Yuletide__Noel  period extending from Dec. 24 to Jan. 6
        part:  Boxing_Day  (British) first weekday after Christmas
     part:  mid-January  the middle part of January
  part:  February__Feb  the month following January and preceding March
     part:  leap_day__bissextile_day__February_29  the name of the day that is added during a leap year
     part:  Candlemas_Day__Candlemas__Feb_2  feast day commemorating the presentation of Christ in the temple; a quarter day in Scotland
     part:  Groundhog_Day__February_2  (US) if the ground hog emerges and sees his shadow there will be 6 more weeks of winter
     part:  Lincoln's_Birthday__February_12  (US) the day on which President Abraham Lincoln is remembered
     part:  Valentine_Day__Valentine's_Day__Saint_Valentine's_Day__St_Valentine's_Day__February_14  a day for the exchange of tokens of affection
     part:  Washington's_Birthday__February_22  (US) the day on which George Washington is remembered
     part:  Presidents'_Day  (US) the 3rd Monday in February; commemorates both United States Presidents Lincoln and Washington
     part:  mid-February  the middle part of February
  part:  December__Dec  the last (12th) month of the year
     part:  New_Year's_Eve__December_31  the last day of the year
     part:  Christmas_Day__Christmas__Xmas__Dec_25  a Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland
     part:  Christmas__Christmastide__Christmastime__Yule__Yuletide__Noel  period extending from Dec. 24 to Jan. 6
     part:  mid-December  the middle part of December
  part:  winter_solstice  December 22, when the sun is at its southernmost point
  part:  midwinter  the middle of winter

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