Vernal Equinox,

• Day of the vernal equinox, a liberal translation
  http://blog.livedoor.jp/tukiyomi4060/archives/52773769.html
  You say that day of the vernal equinox time of daytime and time of the night becomes equal,

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  Você diz que o dia da época do equinócio vernal do dia e da época da noite se torna igual,
  
  
• These are many word of blog in Japanese the most recent topics.
  http://23726223.at.webry.info/201109/article_7.html
  Total 7 days of 3 days front and back which put the day of the vernal equinox and the day of the autumnal equinox

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  Totalize 7 dias de 3 dias a parte dianteira e a parte traseira que põr o dia do equinócio vernal e o dia do equinócio outonal
  
  
• Japanese weblog
  http://tutiya.cocolog-nifty.com/kanpotusin/2010/10/post-65b4.html
  As for day of the vernal equinox and the autumnal equinox, the noon of one day and length of the night almost are the same

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  Quanto para ao dia do equinócio vernal e do equinócio outonal, o meio-dia de um dia e o comprimento da noite são quase o mesmo
  
  
• Japanese weblog
  http://plaza.rakuten.co.jp/gyw589/diary/201009100000/
  From day of the vernal equinox to act at minimum air temperature, because it is many from day of the autumnal equinox to act at maximum air temperature.

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  Do dia do equinócio vernal a actuar na temperatura de ar mínima, porque é muitas do dia do equinócio outonal a actuar na temperatura de ar máxima.
  
  
• weblog title
  http://blog.goo.ne.jp/hello_myfriends/e/5c2366679dfc4e36d9d0e1c2faca8b58
  Day of the vernal equinox and day of the autumnal equinox the day off the master who knows thing

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  Totalize 7 dias de 3 dias a parte dianteira e a parte traseira que põr o dia do equinócio vernal e o dia do equinócio outonal
  
  
• Day of the autumnal equinox
  http://blog.livedoor.jp/knjst55/archives/52002887.html
  Becomes same, in the autumnal equinox length of day and night almost same as the vernal equinox, but really near Japan, there is also a difference due to year, but if it averages, the noon approximately 14 minutes is longer than the night, a liberal translation

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  Torna-se mesmo, do comprimento do equinócio outonal do dia e da noite quase mesmos como o equinócio vernal, mas realmente perto de Japão, lá é igualmente uma diferença devido ao ano, mas se calcula a média, o meio-dia aproximadamente 14 minutos é mais longo do que a noite