Taoist ritual on occasion of the birthday of Wenchang, the God of Knowledge.
Taoist worship of the birthday of Wenchang, the God of Knowledge.
Most temples dedicated to Wenchang will have some ritual, but the size will very much depend on the location.
Apparently, the Han in the Jingdong area also celebrate this day http://baike.baidu.com/view/3709352.htm
See related festivals.
Festival held according to lunar calendar on 农历2月初3.