滑铁卢华人, 水城百事论坛 http://www.kwcg.ca/forum/ 水城社区-Kitchener, Waterloo, Cambridge & Guelph华人的网上家园 en 今天被科普 Reply by 了, Monday, June 21, 2010, 15:42:

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]]> http://www.kwcg.ca/forum/index.php?id=26142 http://www.kwcg.ca/forum/index.php?id=26142 Mon, 21 Jun 2010 15:42:58 GMT 了 夏至是白天最长的一天，以后慢慢变短，直至冬至时白天最短，以后又慢慢变长直至夏至；而中间的春分和秋分，则是白天和晚上一样长。它们也是根据太阳和地球的相对位置来定的，夏至时太阳到达北回归线开始南移，冬至时太阳到达南回归线开始北移，而春分和秋分则是太阳到达赤道。 Reply by zjx8168, Monday, June 21, 2010, 15:34:

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]]> http://www.kwcg.ca/forum/index.php?id=26141 http://www.kwcg.ca/forum/index.php?id=26141 Mon, 21 Jun 2010 15:34:37 GMT zjx8168 立夏是表示夏天的开始，“立”是建立，立足的意思，立夏一般在每年的5月5～7日。 夏至是夏季的中间点，“至”是极致、最高的意思，例：至高无上。夏至一般在每年的6月21～23日。 Reply by 38, Monday, June 21, 2010, 14:21:

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]]> http://www.kwcg.ca/forum/index.php?id=26126 http://www.kwcg.ca/forum/index.php?id=26126 Mon, 21 Jun 2010 14:21:16 GMT 38 当然不一样。立夏在五月初，中间有小满，大满 Reply by wolf, Monday, June 21, 2010, 14:12:

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]]> http://www.kwcg.ca/forum/index.php?id=26123 http://www.kwcg.ca/forum/index.php?id=26123 Mon, 21 Jun 2010 14:12:13 GMT wolf 夏至和立夏不一样？ Reply by aeiou, Monday, June 21, 2010, 14:07:

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]]> http://www.kwcg.ca/forum/index.php?id=26121 http://www.kwcg.ca/forum/index.php?id=26121 Mon, 21 Jun 2010 14:07:57 GMT aeiou 夏至! Reply by Solstice, Monday, June 21, 2010, 13:43:

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]]> http://www.kwcg.ca/forum/index.php?id=26110 http://www.kwcg.ca/forum/index.php?id=26110 Mon, 21 Jun 2010 13:43:06 GMT Solstice 同事说今天是First day of summer, 是不是中国的立夏？ Posting by 闻, Monday, June 21, 2010, 11:27:

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]]> http://www.kwcg.ca/forum/index.php?id=26084 http://www.kwcg.ca/forum/index.php?id=26084 Mon, 21 Jun 2010 11:27:23 GMT 闻