How many can you solve? An Otsukimi trivia quiz from general knowledge to surprising fun facts
Why do we feel the full moon is especially beautiful in autumn? In fact, the moon’s appearance and the position where it’s seen each season have their own distinct characteristics.
The Harvest Moon in particular has been cherished by the Japanese since ancient times and has been celebrated in countless waka poems and haiku.
In this article, we present a trivia quiz about moon viewing! You’ll enjoy learning general fun facts, such as the origins of the tradition and how full moons differ by season.
On the next moon-viewing night, why not gaze at the moon and make some new discoveries?
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How many can you answer? A Moon-Viewing Trivia Quiz from General Knowledge to Surprising Facts (1–10)
What is the reason for offering dango during the moon-viewing (Otsukimi)?
- To dedicate to the moon rabbit
- To eat during the moon-viewing festival
- to express gratitude for the harvest
See the answer
to express gratitude for the harvest
Since ancient times in Japan, there has been a custom of offering dumplings during the harvest moon (Jugoya) viewing. This practice is meant to express gratitude to the moon for a safe autumn harvest. The dumplings symbolize crops such as rice and carry the meanings of praying for a bountiful harvest and giving thanks for nature’s blessings.
How many dumplings are typically offered for the Harvest Moon (Mid-Autumn Moon)?
- 10 pieces
- 15 pieces
- 20 pieces
See the answer
15 pieces
It is traditionally said that fifteen dumplings are offered for the Harvest Moon (Chushu no Meigetsu). This custom is linked to the fifteenth night of the eighth month in the lunar calendar, and on that night people stack fifteen dumplings in a mound as an offering while appreciating the full moon and giving thanks for the harvest. The number may vary by region, but fifteen is the most widely known.
What is the reason pampas grass (susuki) is displayed during the moon-viewing festival?
- For protection against evil and for prayers for a good harvest
- Because its appearance resembles the moon
- To repel insects with the scent of pampas grass
See the answer
For protection against evil and for prayers for a good harvest
We decorate with pampas grass for moon-viewing because it resembles ears of rice and symbolizes prayers for a good harvest, and its sharp leaves have long been thought to ward off evil. In the past, people would display pampas grass under the eaves of their homes to keep misfortune away, give thanks for the autumn harvest, and pray for a bountiful crop the following year. For these reasons, the custom of decorating with pampas grass during the moon-viewing festival has been passed down over generations.
How many can you answer? From common knowledge to surprising trivia in the Moon-Viewing Quiz (11–20)
In moon-viewing folklore, what is the animal in the moon said to be doing?
- pounding mochi
- Eating mochi.
- Rolling mochi into balls
See the answer
pounding mochi
In Japanese moon-viewing folklore, it is said that a rabbit lives in the moon, and that rabbit is pounding mochi. This legend arose because the full moon’s patterns look like a rabbit pounding rice cakes. One fun aspect of the moon is that other countries have different animals and stories associated with it.
What is another name for the moon-viewing event “Jūsan-ya” (the night of the thirteenth)?
- Chestnut Moon
- Imo-meigetsu (Potato Harvest Moon / Full Moon Festival for tubers)
- Plum Moon
See the answer
Chestnut Moon
Jūsan-ya is a traditional Japanese moon-viewing event held on the night of the 13th day of the 9th month in the old lunar calendar. Considered the second most beautiful moon after the Mid-Autumn full moon (Jūgo-ya), this night is also called “Chestnut Moon” or “Bean Moon” because of the custom of offering chestnuts and beans. In contrast, Jūgo-ya is also known as “Taro Moon,” when taro and other foods are offered.
Which country did the custom of the Thirteenth Night originate from?
- China
- America
- Japan
See the answer
Japan
The Jusan-ya is a uniquely Japanese traditional event held on the 13th night of the ninth month in the old lunar calendar to admire the moon. Alongside the Mid-Autumn Moon Festival (the fifteenth night), it is beloved, but unlike the fifteenth night, which came from China, there is no Jusan-ya in China; it began in Japan. It is customary to offer items such as chestnuts and beans and to gaze at the moon.
Which of the shapes is the typical form of tsukimi-dango in the Kanto region?
- round shape
- flat shape
- Droplet shape
See the answer
round shape
In the Kanto region, tsukimi dango are typically simple white dumplings shaped into plain spheres. For the harvest moon viewing on the night of the fifteenth moon, it is traditional to stack these dumplings in a pyramid as decoration. Meanwhile, in the Kansai region, the shapes differ from round ones and vary by area, which is one of the intriguing aspects of Japanese culture.


