With Christmas near at hand (we’ll go out on a limb here and assume the world isn’t coming to an end just yet), the interwebs are atwitter with blessings, tips and tawdry virtual tinsel. Heck, even Saint Nick himself is counting out the hours.

@CIausSanta
Santa Claus
✰✰✰ ONLY 530 HOURS TO CHRISTMAS ✰✰✰

Not to be outdone in the realm of holiday cheer — even when it comes to another religion’s tradition — some of Twitter’s funniest and erudite-est tribe-members have been weighing in on the minutiae of the Yuletide laws and customs. Here are some of The Times of Israel’s favorite #hilchoschristmas:

@The_Cynical_Jew
TheCynicalJew
According to the Rema, one should refrain from sex on Christmas Eve to avoid immaculate conception. #hilchoschristmas
@FormerBPGirl
Former BP Girl
Christmas lingerie must be 4 inches below the knee. Sorry, guys. #HilchosChristmas
@Screlbish
Moshe Gelberman
@ the tree must be higher than 10 tefachim to be yotze but no taller than 10 amos, so u can still c the angel on top #hilchoschristmas
@Dick613
Groise Anav
Outside of Bethlehem, it's customary to hold 2 days of Christmas because we aren't sure if November has 30 or 31 days. #hilchoschristmas
@The_Cynical_Jew
TheCynicalJew
It's accepted that Eliyahu Hanavi doesn't make the rounds on Christmas Eve to avoid hasagas gvul of Santa. #hilchoschristmas
Mistletoe is mevatel the issur of shomer negiya. #hilchoschristmas
@Adderabbi
Elli Fischer
One who has never seen The tree at Rockefeller Center has not seen Christmas in his life #hilchoschristmas
@efink
Eliyahu Fink (Eli)
Christmas sweaters may be worn even if made out of shatnez because no one gets hanaah from such ugly sweaters. #hilchoschristmas
@jrotem
r. jean roth
Santa is not permitted to start flying until he sees 3 stars in the sky #hilchoschristmas
@aburstein
Avi Burstein
It's a machloikes how many bulbs on a string of Christmas lights can be burnt out before it becomes pasul to be used. #HilchosChristmas
@Benignuman
Benny Hutman
@ is it true that the Karaim celebrate the christmas sometime in January, because they read the posuk literally? #hilchoschristmas
@menudo_man
Menachem Ickovitz
@ #hilchoschristmas does santa have to make a new brocho on cookies & milk at every house?

And the Tweet that started it all:

@efink
Eliyahu Fink (Eli)
Who thinks a #hilchoschristmas Twitter game would be fun?