To be fair, their major holiday’s breaking of the fast fell on that day- it’s determined by the postion of the moon, not by what happened on a western calendar date and thus is variable from year to year. This year it did just happen that way... a coincidence.
“Their major holiday.....determined by the position of the moon”
So the view that Islamic “Allah” is the former pagan moon god of Makkah is not that off the mark, n’est-ce pas?