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Newton +‎ -mas, after Isaac Newton


Newtonmas (plural Newtonmases)

  1. (humorous) December 25, Sir Isaac Newton's birthday (in the Julian calendar).
    • 1892 September 8, “"A New Sect of Hero Worshippers."”, in Nature[1], volume 46, number 1193, ISSN 0028-0836, page 459:
      At Christmas, 1890, or Newtonmas, 248, for the first time, the members of the Newtonkai, or Newton Association, met in the Physical Laboratory of the Imperial University, to hear each other talk, to distribute appropriate gifts, and to lengthen out the small hours with laughter and good cheer.
    • 1992 December 8, Pearlman, Nomi, “Re: All these x-mas filks are making”, in, Usenet[2], message-ID <>:
      Two of my friends (both Jewish) take 25 December as the holiday Newtonmas, in celebration of the birth of Sir Isaac Newton.
    • 2000 December 26, Miller, Lloyd, quoting Alexander Chislenko, “Merry Newtonmas!”, in talk.atheism, Usenet[3], message-ID <n%626.283$>:
      So why not put some sense into your festivities and celebrate Newtonmas this year?
    • 2007, “Newtonmas Carols”, in Mansfield Public Schools[4], retrieved 2011-12-14:
      On the first day of Newtonmas, Sir Isaac gave to me / The acceleration of gravity []
    • 2007 December 22, Blum, Matt, “It’s Beginning to Look a Lot Like Newtonmas”, in Wired[5], ISSN 1059-1028:
      Sir Isaac Newton was born on December 25, 1642 (old style), so it seems natural to take advantage of that complete coincidence and celebrate his life and works as Newtonmas.
    • 2009 December 14, “The Maternal Congruence”, in The Big Bang Theory[6], season 3, episode 11, CBS, spoken by Leonard Hofstadter (Galecki, Johnny), 1:38 from the start:
      Merry Newtonmas, everyone!
    • 2010 December 27, Ingram, Tom, “Have Your Say”, in Winnipeg Free Press, ISSN 0828-1785, page A16:
      Donalee Tauber has obviously never heard of Hanukkah, Ramadan, Diwali, New Year's Day, Newtonmas, Solstice, Kwanzaa or Yule.
    • 2011 December 9, Kettle, James, “Brian Cox and Robin Ince: two wise men wishing you a merry XXmas”, in The Guardian[7], ISSN 0261-3077:
      Richard Dawkins mentioned the idea of calling it Newtonmas, because Isaac Newton was also born–I say also, I mean Newton actually was–born on the 25th of December.
  2. (humorous) December 25 through January 4, Sir Isaac Newton's birthday (in the Gregorian calendar).