Chanuka Riddle #2

RIDDLE #2

 Because he was born on a certain day, he shouldn't
follow his father's Minhag.

Harav Hagaon R. Y.S. Elyashiv zt"l holds,

A boy who becomes בר מצוה on 
מוצש"ק חנוכה should do the first
הדלקת נר חנוכה as a גדול on מוצש"ק before 
הבדלה even if his father's Minhag is to 
do הבדלה before הדלקת נר חנוכה

Being he was a קטן on Shabbos he
has no חיוב הבדלה. His only חיוב 
(as a גדול) is נר חנוכ