Purim Katan – What is it? It’s Purim Katan tonight (Monday night) and tomorrow (Tuesday). But what does that mean? Why and how do we ‘celebrate’ Purim Katan? What are the Halachot regarding Purim Katan? To read more about it, check out this post on IsraelK. Purim Katan Sameach! Share Tweet Write a comment: CommentName Email Website Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.