{"id":557,"date":"2005-12-31T06:00:00","date_gmt":"2005-12-30T22:00:00","guid":{"rendered":"http:\/\/www.weather.org.hk\/blog\/?p=557"},"modified":"2010-11-11T18:28:18","modified_gmt":"2010-11-11T10:28:18","slug":"%e9%96%8f%e7%a7%92","status":"publish","type":"post","link":"https:\/\/www.weather.org.hk\/news\/%e9%96%8f%e7%a7%92\/","title":{"rendered":"\u958f\u79d2"},"content":{"rendered":"

\t\t\t\t\t\t\t\t\t\u660e\u65e5\uff081\u67081\u65e5\uff09\u8d77\u5e8a\u6642\uff0c\u8981\u628a\u6642\u9418\u64a5\u61621\u79d2\uff0c\u70ba\u751a\u9ebc\uff1f<\/p>\n

2006\u5e741\u67081\u65e5\u9999\u6e2f\u6642\u9593\u4e0a\u53487\u664259\u520659\u79d2\u5f8c\u5c07\u51fa\u73fe1\u79d2\u7684\u958f\u79d2\uff08leap second\uff09\uff0c\u7136\u5f8c\u624d\u5230\u65e9\u4e0a8\u66420\u52060\u79d2\u3002<\/p>\n

\u7c21\u55ae\u4f86\u8aaa\uff0c\u6642\u9593\u6709\u5169\u5957\u6a19\u6e96\u3002\u7b2c\u4e00\u5957\u6a19\u6e96\u662f\u6839\u64da\u5730\u7403\u81ea\u8f49\u7684\u901f\u5ea6\u800c\u5236\u5b9a\u3002\u4f46\u7531\u65bc\u5730\u7403\u81ea\u8f49\u901f\u5ea6\u53d7\u5927\u6c23\u72c0\u6cc1\u53ca\u5176\u4ed6\u7269\u7406\u56e0\u7d20\u5f71\u97ff\uff0c\u56e0\u6b64\u4e26\u4e0d\u7a69\u5b9a\u800c\u4e14\u6709\u9010\u6f38\u8b8a\u6162\u7684\u8da8\u52e2\u3002<\/p>\n

\u7b2c\u4e8c\u5957\u6a19\u6e96\u662f\u6839\u64da\u539f\u5b50\u9418\u7684\u539f\u5b50\u632f\u52d5\u983b\u7387\u800c\u5236\u5b9a\u3002\u7531\u65bc\u539f\u5b50\u632f\u52d5\u983b\u7387\u76f8\u7576\u7a69\u5b9a\uff0c\u56e0\u6b64\u539f\u5b50\u9418\u975e\u5e38\u6e96\u78ba\uff0c\u4e26\u6210\u70ba\u570b\u969b\u63a1\u7528\u7684\u6642\u9593\u6a19\u6e96\uff0c\u7a31\u70ba\u5354\u8abf\u4e16\u754c\u6642\uff08Coordinated Universal Time\uff0c\u7c21\u7a31UTC\uff09\u3002\u9999\u6e2f\u6642\u9593\u70baUTC\u52a08\u5c0f\u6642\u3002<\/p>\n

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UTC\u81ea1972\u5e74\u63a1\u7528\u5f8c\uff0c\u81f3\u4eca\u5171\u52a0\u4e8623\u958f\u79d2\u3002<\/p>\n

<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

明日（1月1日）起床時，要把時鐘撥慢1秒，為甚麼？ 2006年1月1日香港時間上午7時59分59秒後將出現1秒的閏秒（leap second），然後才到早上8時0分0秒。 簡單來說，時間有兩套標準。第一套標準是根據地球自轉的速度而制定。但由於地球自轉速度受大氣狀況及其他物理因素影響，因此並不穩定而且有逐漸變慢的趨勢。 第二套標準是根據原子鐘的原子振動頻率而制定。由於原子振動頻率相當穩定，因此原子鐘非常準確，並成為國際採用的時間標準，稱為協調世界時（Coordinated Universal Time，簡稱UTC）。香港時間為UTC加8小時。 當兩套標準相差超過0.9秒時，便要對UTC進行閏秒修正誤差，這項決定是由法國的地球自轉事務中央局（IERS）作出。 UTC自1972年採用後，至今共加了23閏秒。<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[4],"tags":[],"class_list":["post-557","post","type-post","status-publish","format-standard","hentry","category-4"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/comments?post=557"}],"version-history":[{"count":1,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/557\/revisions"}],"predecessor-version":[{"id":761,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/557\/revisions\/761"}],"wp:attachment":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/media?parent=557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/categories?post=557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/tags?post=557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}