2012 4 27 2010 7 30 17 0 2010 10 29 14 0 2011 1 31 15 0 2011 4 28 14 0 2011 7 29 15 0 2011 10 31 15 0 2012 1 31 15 00 2012 4 27 15 00 http://www.esri.cao.go.jp/jp/sna/sonota/thihou/thihou_top.html 2012 4 27 2012 7 末 2012 10 末 2013 1 末 2013 4 末