
1) November observance 2) Unofficial observance
Found on
https://www.crosswordclues.com/clue/thanksgivukkah

Thanksgivukkah is a holiday name neologism given to the convergence of the American holiday of Thanksgiving and the first day (and second night) of the Jewish holiday of Hanukkah on Thursday, November 28, 2013. It was the result of a rare coincidence between the lunisolar Hebrew calendar (whose dates reflect both the moon phase and the time of the...
Found on
http://en.wikipedia.org/wiki/Thanksgivukkah
No exact match found.