Why do millions of Japanese people hang paper wishes on bamboo every summer?

Why do millions of Japanese people hang paper wishes on bamboo every summer?
Image: Intellect (generated)

In short: Tanabata, or the Star Festival, commemorates the annual reunion of two celestial lovers separated by the Milky Way. Rooted in ancient Chinese folklore and local Shinto purification rites, this tradition invites people to write their deepest aspirations on paper strips, transforming a cosmic myth into a collective act of hope.

The festival centers on the legend of Orihime, a celestial weaver, and Hikoboshi, a cowherd. After they married, their devotion distracted them from their duties, prompting the Sky King to banish them to opposite sides of the heavenly river. Moved by their sorrow, he permitted them to meet annually on the seventh day of the seventh month, provided they remained diligent. If it rains on this night, the river swells, preventing the magpies from forming a bridge for the couple, and their tears are said to fall as rain.

Historically, the celebration evolved from the Chinese 'Festival to Plead for Skills,' introduced to Japan in 755 by Empress Kōken. By the early Edo period, it merged with local customs, including Obon traditions. While originally focused on improving craftsmanship and handwriting, modern celebrations feature elaborate street decorations, particularly in Sendai. The festival’s scale in Sendai is immense; after a post-war revival in 1946, it grew to feature 5,000 decorations by 1947 when Emperor Hirohito visited.

Beyond the folklore, Tanabata serves as a cultural touchstone for reflection and environmental awareness. In 2008, during the G8 summit in Tōyako, Prime Minister Yasuo Fukuda encouraged world leaders to hang wishes on bamboo, framing the act as a symbolic first step toward global change. Simultaneously, the Ministry of the Environment urged citizens to turn off lights to better view the Milky Way, a practice that saw over 70,000 facilities participate in a collective wish for the future.

The timing of the festival remains diverse, reflecting Japan's transition from the traditional lunisolar calendar to the Gregorian system. While many celebrate on July 7, others observe the festival in August, aligning more closely with the original lunar date. Whether through poetry, parades, or quiet contemplation under the stars, Tanabata persists as a bridge between ancient myth and contemporary aspiration.

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