December 13 Anniversaries

Vitamin Day

Historical Anniversaries

What Is Vitamin Day? Every December 13th is "Vitamin Day" (ビタミンの日, Bitamin no Hi...

Twins Day

Historical Anniversaries

What Is Twins Day? Every December 13th is "Twins Day" (双子の日, Futago no Hi) in Ja...

Shogatsu Kotohajime / Susuharai (Start of New Year Preparations / Soot Sweeping Day)

Seasonal Events

What Are Shogatsu Kotohajime and Susuharai? December 13th is the day of "Shogats...