also: じょうみ
noun
Doll's Festival; Girls' Festival; Peach Festival
Refers to the traditional festival on March 3rd, also known as ひな祭り. The term 上巳 originally designated the first 'snake day' of the third lunar month, but now is synonymous with the modern date.
See also: ひな祭り (ひなまつり) · 五節句
三月三日は上巳の節句で、ひな人形を飾る。
March 3rd is the Doll's Festival, when we display hina dolls.
上巳
There is a custom of decorating with peach blossoms on the day of the Peach Festival.
ひな祭り is the common modern name for the festival, while 上巳 is a more formal or traditional term often used in the context of the five seasonal festivals (五節句).
From the Chinese calendar term 上巳, meaning 'first snake day' of the third month. The festival was adopted in Japan and later fixed to March 3rd.