Unofficial observance
Yudu
Lunar month 6, day 15 (regular month)
A summer festival traditionally involving hair washing in running water and wishes for peace.
How did it begin?
People believed washing their hair in east-flowing water on lunar June 15 would wash away misfortune. They offered new fruit and grain to ancestors and farming deities, hoping for peace and a good harvest.
Source · 유두 — 한국민족문화대백과사전 ↗ (new window)
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