The Beginning of summer Accurate time in 2010

The Beginning of summer Accurate time in 2010
Xinhua News Agency Tianjin May 4 cable (moist to good for high jade Cai week reporter) According to the one that publish recently >,The accurate time of this year the Beginning of summer is May 5 days 22 and 44 points.
The twenty-four solar terms are on the ecliptic according to the sun (Orbit that namely the earth revolves around the sun ) The position that goes divides . Look at the sun from some (zero degree of ecliptic longitude, the sun shines in the equator vertically at this moment) of the Spring Equinox Set out, it is one solar terms to advance 15 degrees each time; Run, get back to, order the Spring Equinox again one week, one annual return, equal to 360 degrees, so divide for 24 solar terms.
Chinese Academy of Sciences the intersection of Purple Mountain and ideological trend Wang, researcher of observatory, introduce, because is the particular moment in solar terms, and nonspecific 24 days, therefore though the date in solar terms is relatively fixed in the solar calendar, but concrete time is constantly changeable. The sun reaches the ecliptic longitude 45 Degree is " L The Beginning of summer " R Solar terms. The habit regards the Beginning of summer as the day beginning in summer from ancient times in our country. Temperature raise obviously summer, thunder increase, in rainwater under being moist crops at this moment, grow very vigorously .
Our country divides the Beginning of summer into three and waits in ancient times : " One wait Lou Guo chirp, two wait earthworm, produce, three wait melon Wang, grow. " That is to say in the solar terms at first can hear Ku, Li of Li,ing ' Namely mole cricket) In ring cry of field ' It says to be the intersection of frog and sound) ,Continue, can see earthworm dig soil, then climing rattan of melon Wang begin to be climbed and grown fast at the earth.
Ideological trend Wang say calculate department as the intersection of our country and authoritative astronomy, Purple Mountain observatory responsible for, implement calendar of our country edit, charge and announce, edit the lunar calendar calendar which can be regarded as next year every year, including it is moment first and the fifteenth day of the lunar month and solar terms, time is precise as to minute, published every year as the standard>China issues formally, and Israel>Form foreign release.
King's ideological trend is said, according to >,The concrete time of this year the Beginning of summer is May 5 days 22 and 44 points. For various reasons, there may be difference on the concrete time of the Beginning of summer in some year calendars in the society, should be subject to issue of Purple Mountain observatory.
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