December 30 Anniversaries

Subway Day

Historical Anniversaries

What Is Subway Day? Every December 30th is "Subway Day" (地下鉄記念日, Chikatetsu Kine...

Yokomitsu Riichi Memorial Day

Historical Anniversaries

What Is Yokomitsu Riichi Memorial Day? December 30 marks the death of Yokomitsu ...

Miso Day (Miso no Hi)

Food Days

What Is Miso Day? December 30 is "Miso Day." In 1982, the Japan Federation of Mi...

Sour Day

Food Days

What Is Sour Day? The 30th of every month is "Sour Day" in Japan. It was establi...

EPA Day

Food Days

What Is EPA Day? The 30th of every month is "EPA Day" in Japan. It was establish...

Dainokai (Year-End Trading Session)

Industry Days

What Is Dainokai? December 30 is "Dainokai," the final trading session of the ye...

Kotsugomori (Little New Year's Eve)

Seasonal Events

What Is Kotsugomori? December 30 is "Kotsugomori," the day before New Year's Eve...