Saturday, October 31, 2009

24 solar term pillars constructed in Beijing

Recently, 24 solar terms pillars 二十四节气柱 appeared on the south moat's bank in Beijing (located near the south gate of Temple of Heaven). The 24 pillars are divided into four groups x 6 pillars - representing the 4 seasons: Spring, Summer, Autumn and Winter.

The 24 solar terms are spaced 15° apart along the ecliptic and are used by the Chinese calendar, representing the Sun's motion on the celestial sphere as seen from Earth. For a first time, the 24 solar terms are mentioned in the classic of Huainanzi 《淮南子·天文训》, written in 2nd century BC, during Han dynasty in China.

The solar term pillar "Beginning of Spring" Li chun

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