Unofficial observance
Major Heat
Dates specified for each year
A solar term recalling midsummer’s intense heat.
How did it begin?
Between Minor Heat and Start of Autumn, it represents severe summer heat. It was a time to keep tending fields and enjoy summer foods such as Korean melons and watermelons.
Source · 대서 — 한국민족문화대백과사전 ↗ (new window)
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