Tanabata (七夕 — “evening of the seventh”) is the Japanese star festival, held on July 7. It celebrates the annual meeting of two stars — Vega (Orihime, the weaver princess) and Altair (Hikoboshi, the cowherd) — separated by the Milky Way for the rest of the year. In the story, they are permitted to cross the celestial river and meet on this one night each year.
The Legend
The myth originates in Chinese folklore (the Qixi Festival) but was absorbed into Japan by the eighth century. In the Japanese version: Orihime, daughter of the sky king Tentei, weaves cloth by the heavenly river (the Milky Way) and falls in love with Hikoboshi, the cowherd on the other bank. They marry and become so absorbed in their happiness that Orihime stops weaving and Hikoboshi’s cattle wander. The angry Tentei separates them across the river — but relents and allows them to meet on the seventh night of the seventh lunar month, if Orihime completes her weaving.
A variation says that when it rains on July 7, the bridge of magpies that forms across the Milky Way for their reunion washes away, and they cannot meet until the following year. Rain on Tanabata carries a quality of gentle melancholy in Japanese culture for this reason.
Tanzaku: Writing Your Wish
The most widespread Tanabata tradition is writing wishes on tanzaku — narrow strips of colored paper — and hanging them on bamboo branches. Children typically wish for skill improvements (good grades, athletic ability, artistic talent — reflecting Orihime’s attribute as a weaver of skill). Adults may wish for health, love, career success, or family wellbeing.
The five traditional colors of tanzaku (pink/red, white, blue/green, yellow, black/purple) correspond to the five elements of Chinese cosmology. Modern celebrations use any colors, and decorated streamers, paper cranes, and other paper ornaments are hung alongside the wish strips.
Major Tanabata Celebrations
Sendai Tanabata Matsuri (August 6–8, following the lunar calendar) is the largest Tanabata festival in Japan. The main shopping arcade (shotengai) is decorated with enormous hanging ornaments called fukinagashi — bamboo poles up to 10 meters long draped with streaming paper decorations in the shape of cranes, nets, and other traditional symbols. Over two million visitors attend annually.
Hiratsuka Tanabata Matsuri in Kanagawa Prefecture (held July 7–9, following the solar calendar) is another large celebration, drawing over four million visitors and featuring decorated streets and regional food stalls.
Tanabata in Daily Life
Beyond the major festivals, Tanabata is observed quietly across Japan — school classrooms decorate bamboo branches with children’s wishes, train stations set up bamboo displays for commuters to add tanzaku, and department stores create decorative installations. The festival’s spirit — that even divided lovers can meet, if only briefly, and that a year of patient waiting has its reward — resonates deeply with Japanese sensibilities around longing, patience, and the preciousness of brief encounters.