root word: araw (“day”)
In Filipino conversations, it’s very common to hear Sinong may bertdey? (Whose birthday is it?).
One rarely hears the pure Tagalog question, Sinong may kaarawan?
Kaarawan ni Bonifacio
Bonifacio Day is a national public holiday in the Philippines celebrating the Filipino national hero Andres Bonifacio, who is considered the Father of the Philippine Revolution against Spain, having been one of the founders of the revolutionary group Katipunan.
Bonifacio was born on November 30, 1863, and it is on November 30 every year that he is formally remembered by the independent citizens of the Republic of the Philippines.