This is the 6679th most frequent Japanese word.
ハレノヒ
"ハレノヒ" (Harenohi) means "a special or celebratory day."
In this sentence, 'ハレノヒ' refers to a special occasion or festive day.
今日は成人式という特別なハレノヒです。
Today is a special 'Harenohi,' the Coming of Age Ceremony.
Here, 'ハレノヒ' implies celebratory days or events significant to the family.
あの家族はいつもハレノヒには盛大にお祝いします。
That family always celebrates 'Harenohi' days grandly.
In this context, 'ハレノヒ' denotes an important event that people are preparing for.