{"id":334,"date":"2012-02-07T11:05:46","date_gmt":"2012-02-07T03:05:46","guid":{"rendered":"http:\/\/www.kiccleaf.com\/?p=334"},"modified":"2012-02-07T11:07:14","modified_gmt":"2012-02-07T03:07:14","slug":"js%e5%ae%9e%e7%8e%b0%e5%84%92%e7%95%a5%e6%97%a5%e7%9a%84%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"http:\/\/www.kiccleaf.com\/?p=334","title":{"rendered":"JS\u5b9e\u73b0\u5112\u7565\u65e5\u7684\u8ba1\u7b97"},"content":{"rendered":"<p>   \u5728\u7f51\u7edc\u4e0a\u6709\u5404\u79cd\u5404\u6837\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u76f8\u5bf9\u6765\u8bb2\u90fd\u662f\u63a5\u8fd1\u4f46\u4e0d\u51c6\u786e\uff0c\u6240\u4ee5\u81ea\u5df1\u52a8\u624b\u4fee\u6539\u4e86\u4e00\u4e0b\uff0c\u5176\u5b9e\u4e5f\u5c31\u662f\u7b80\u5355\u7684\u8ba1\u7b97\uff0c\u628a\u5c0f\u65f6\uff0c\u5206\u949f\uff0c\u79d2\u8fd9\u4e9b\u53bb\u6389\u3002\u8ba1\u7b97\u51fa\u6765\u7684\u7ed3\u679c\u5c31\u76f8\u5bf9\u4e8e\u7b26\u5408\u4e86\u3002<\/p>\n<p>   \u73b0\u5728\u7684\u516c\u5386\u8d77\u6e90\u4e8e\u57c3\u53ca\u5386\uff0c\u7531\u53e4\u7f57\u9a6c\u7684\u607a\u6492\u5728\u516c\u5143\u524d46\u5e74\u5236\u5b9a\u7684\uff0c365\u65e5\u4f5c\u4e3a\u4e00\u5e74\uff0c\u5355\u6708\u4e3a\u5927\u670831\u5929\uff0c\u53cc\u6708\u4e3a\u5c0f\u670830\u5929\uff0c4\u5e74\u4e00\u95f0\uff0c\u79f0\u4e3a\u201c\u5112\u7565\u5386\u201d\u6216\u201c\u607a\u6492\u5386\u201d\u30021582\u5e74\u7f57\u9a6c\u6559\u7687\u683c\u91cc\u9ad8\u5229\u5341\u4e09\u4e16(Gregorius X\u2162)\u5bf9\u201c\u5112\u7565\u5386\u201d\u53c8\u8fdb\u884c\u4fee\u6539\uff0c\u89c4\u5b9a\u88ab4\u6574\u9664\u7684\u5e74\u4e3a\u95f0\u5e74\uff0c\u4f46\u9022\u767e\u4e4b\u5e74\u53ea\u6709\u80fd\u88ab400\u9664\u5c3d\u624d\u80fd\u662f\u95f0\u5e74\u3002\u8fd9\u5c31\u662f\u4f7f\u7528\u81f3\u4eca\u7684\u201c\u683c\u91cc\u5386\u201d\u3002\u6559\u7687\u4e8e1582\u5e7410\u67084\u65e5\u8fd8\u4e0b\u4ee4\u5c06\u6b21\u65e5\uff08\u5373\u539f10\u67085\u65e5\uff09\u5b9a\u4e3a10\u670815\u65e5\uff0c\u628a\u6625\u5206\u65e5\u53c8\u6062\u590d\u4e3a3\u670821\u65e5\u3002<\/p>\n<p>   \u5112\u7565\u65e5\uff08Julian day\uff0cJD\uff09\u662f\u7531\u6cd5\u56fd\u5b66\u8005 Joseph Justus Scaliger\uff081540-1609\uff09\u53d1\u660e\u7684\uff0c\u662f\u5929\u6587\u5b66\u4e0a\u4e0d\u7528\u4e00\u79cd\u4e0d\u7528\u5e74\u3001\u6708\u7684\u957f\u671f\u7eaa\u65e5\u6cd5\uff0c\u7528\u5b83\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u8ba1\u7b97\u5230\u4e24\u65f6\u95f4\u70b9\u95f4\u4ee5\u5929\u6570\u8ba1\u91cf\u7684\u65f6\u95f4\u95f4\u9694\u3002\u5112\u7565\u65e5\u4ee5\u516c\u5143\u524d4713\u5e74\u5112\u7565\u53861\u67081\u65e5\u683c\u6797\u5a01\u6cbb\u5e73\u5348\u4e3a\u8d77\u7b97\u65e5\u671f\uff0c\u4ee57980\u5e74\u4e3a\u4e00\u4e2a\u5468\u671f\uff0c\u6bcf\u5929\u987a\u6570\u800c\u4e0b\uff0c\u6d41\u6c34\u8ba1\u65e5\u3002\u5112\u7565\u65e5\u7684\u8fd9\u79cd\u8ba1\u7b97\u65b9\u6cd5\u76f8\u5f53\u65b9\u4fbf\uff0c\u83b7\u5f97\u4e86\u5929\u6587\u754c\u5185\u7684\u4e00\u81f4\u91c7\u7528\uff0c\u662f\u5929\u6587\u8ba1\u7b97\u4e2d\u6700\u4e3a\u91cd\u8981\u7684\u8ba1\u7b97\u57fa\u51c6\u3002<\/p>\n<p>\u4f8b\u5982\uff1aJD=245 191 9.34230\uff0c\u5b83\u610f\u5473\u7740\u8ddd\u5112\u7565\u5468\u671f\u7684\u5f00\u59cb\u5df2\u7ecf\u901d\u53bb\u4e862451919\u5929\u3002\u800c\u5c0f\u6570\u70b9\u540e\u7684\u201c.34230\u201d\u4ee3\u8868\u8fd9\u5929\u7684\u65f6\u95f4(\u201c15:12:54 EST\u201d)\uff0c\u5728\u5929\u4f53\u4f4d\u7f6e\u8ba1\u7b97\u4e2d\u662f\u6700\u5177\u4fe1\u606f\u91cf\u7684\u6570\u636e\u3002\u518d\u6bd4\u5982\u4e16\u754c\u65f6\u516c\u51432009\u5e743\u67081\u53f7\u7684\u5112\u7565\u65e5\u662f2454891.8333333335\u5929\u3002<\/p>\n<p>\u6ce8\u610f\uff0c&#8221;\u5112\u7565\u65e5(julian Day)&#8221; \u4e0e&#8221;\u5112\u7565\u5386(Julian Calendar)&#8221;\u6307\u7684\u4e0d\u662f\u540c\u4e00\u6982\u5ff5\u3002<\/p>\n<p>\u7531\u4e8e\u5112\u7565\u65e5\u7684\u8868\u8fbe\u6570\u503c\u592a\u957f\uff0c\u9700\u89817\u4f4d\u6570\u5b57\u8868\u793a\u5929\u6570\uff0c\u56e0\u6b64\uff0c\u540e\u6765\u53c8\u51fa\u73b0\u4e86\u4e00\u79cd\u7ea6\u5316\u5112\u7565\u65e5\uff08Modified Julian Day\uff0cMJD\uff09\u7684\u8bb0\u6cd5\uff0cMJD = JD &#8211; 2,400,000.5\uff0c\u5373\u7ea6\u5316\u5112\u7565\u65e5\u7684\u8d77\u7b97\u70b9\u57281858\u5e7411\u670816\u65e5\u5e73\u5348\u3002\u4e4b\u6240\u4ee5\u91c7\u7528\u7ea6\u5316\u5112\u7565\u65e5\u7684\u8868\u8fbe\u65b9\u6cd5\uff0c\u4e3b\u8981\u6709\u4e00\u4e0b2\u4e2a\u65b9\u9762\u7684\u8003\u8651\uff1a<\/p>\n<p>1.\u65e5\u671f\u5929\u6570\u7684\u8ba1\u7b97\u5f80\u5f80\u4e60\u60ef\u4ee5\u5348\u591c\u65f6\u5206\u8d77\u7b97\uff0c\u800c\u4e0d\u662f\u6b63\u5348\u3002<br \/>\n2.\u57281859\u81f32130\u5e74\u4e4b\u95f4\uff0c\u53ea\u9700\u89815\u4f4d\u6570\u5b57\u6765\u8868\u793a\u65e5\u671f\u5c31\u591f\u4e86\uff0c\u800c\u4e0d\u9700\u8981\u5168\u90e8\u76847\u4f4d\u6570\u5b57<\/p>\n<p>\u56e0\u6b64MJD 0\u5c31\u7b49\u4e8eJD 2400000.5\u3002\u5bf9\u4e8e\u8ba1\u7b97\u673a\u6765\u8bf4\uff0cMJD\u4e5f\u610f\u5473\u7740\u66f4\u5c11\u7684\u5b58\u50a8\u5355\u5143<\/p>\n<p>JS\u811a\u672c\u4ee3\u7801<\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">\r\n&lt;script&gt;\r\n\tvar now = new Date();\r\n    var month = now.getUTCMonth() + 1;\r\n    var day = now.getUTCDate();\r\n    var year = now.getUTCFullYear();\r\n\r\nfunction computes() \u3000\u3000\r\n{\r\n\tvar y = eval(year);\r\n\tvar m = eval(month);\r\n\tvar d = eval(day);\r\n\r\n\r\n\tvar extra = 100.0*y + m - 190002.5;\r\n\tvar rjd = 367.0*y;\r\n\trjd -= Math.floor(7.0*(y+Math.floor((m+9.0)\/12.0))\/4.0);\r\n\trjd += Math.floor(275.0*m\/9.0);\r\n\trjd += d;\r\n\r\n\trjd += 1721013.5;\r\n\trjd -= 0.5*extra\/Math.abs(extra);\r\n\trjd += 0.5;\r\n\tform.results.value = rjd;\r\n}\r\n&lt;\/script&gt;\r\n&lt;form name=&quot;form&quot; id=&quot;form&quot;&gt;\r\n\r\n&lt;input text=&quot;text&quot; name=&quot;results&quot; id=&quot;results&quot;&gt;\r\n&lt;\/form&gt;\r\n&lt;script&gt;\r\ncomputes();\r\n&lt;\/script&gt;\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7f51\u7edc\u4e0a\u6709\u5404\u79cd\u5404\u6837\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u76f8\u5bf9\u6765\u8bb2\u90fd\u662f\u63a5\u8fd1\u4f46\u4e0d&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"http:\/\/www.kiccleaf.com\/?p=334\">Continue reading<span class=\"screen-reader-text\">JS\u5b9e\u73b0\u5112\u7565\u65e5\u7684\u8ba1\u7b97<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":10,"footnotes":""},"categories":[7],"tags":[73,74],"class_list":["post-334","post","type-post","status-publish","format-standard","hentry","category-7","tag-js","tag-74","entry"],"views":5166,"_links":{"self":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=334"}],"version-history":[{"count":0,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/334\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}