What Are “Jie Qi” and “Zhong Qi”
“节气”与“中气”
These twenty-four solar terms each suggests the position of the sun every time when it travels 15 degrees on the ecliptic longitude. In each month there are often two solar terms； the first one is generally named “Jie Qi” and the other one “Zhong Qi”. Their dates are mirrored by the Gregorian calendar, so we find that during the first half of a year “Jie Qi” is around the 6th day of a solar month, “Zhong Qi” around the 21st； in the second half of a year, “Jie Qi” is around the 8th and “Zhong Qi” around the 23rd.
这二十四节气每个都表明太阳的位置，当它行驶15度的黄道经度时。每个月往往有两个节气，第一个是一般命名为“节气”，另一个成为“中气”。它们的日期由公历反映，所以我们发现，在上半年“节气”是在太阳月的第6天，“中气”大概在太阳月的第21天，在下半年，“节气”大概在太阳月的第8天“中气”大概在第23天。
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