What is Mustard Day (Karashi no Hi)?

Mustard Day (Karashi no Hi) is an annual observance in Japan, held every year on July 16. What Is Mustard Day? July 16 is "Mustard Day," established to mark the founding of a mustard manufacturers' association

When is Mustard Day (Karashi no Hi)?

Mustard Day (Karashi no Hi) is observed every year on July 16.

When was Mustard Day (Karashi no Hi) established?

Mustard Day (Karashi no Hi) was established in 1957.

What other anniversaries fall on July 16?

July 16 is also "Ekiben (Train Bento) Day (Ekiben Kinenbi)", "Rainbow Day (Niji no Hi)". See the July 16 page for details.

July 16

Mustard Day (Karashi no Hi)

Food Days

What Is Mustard Day?

July 16 is "Mustard Day," established to mark the founding of a mustard manufacturers' association on July 16, 1957.

The Background of Mustard Day

Mustard has long been a staple condiment on Japanese tables. This anniversary was established to commemorate the founding of the industry association and to promote mustard's appeal and uses.

Origin event: Founding of the industry association on July 16, 1957
Theme: Promoting the appeal and versatility of mustard
Related products: Japanese mustard (karashi) and Western mustard

Trivia About Mustard

Japanese vs. Western mustard: Japanese karashi has a sharp, pungent kick and intense aroma, while Western mustard often has added sourness and sweetness.
Dishes that use it: A common condiment for oden, natto, tonkatsu, shumai, and many other dishes.
Ingredients: Made by grinding the seeds of the mustard plant.

How to Enjoy This Day

July 16 is a great day to enjoy dishes with a bit of mustard kick. Try adding a touch of mustard to your usual cooking and notice how it changes the flavor.