2013-12-22から1日間の記事一覧
今日は冬至です。 Wikipedia英語版によると > winter_solstice = "Winter solstice is an astronomical phenomenon which for the Northern Hemisphere occurs in December and which for the Southern Hemisphere occurs in June." #=> "Winter solstice is…
今日は冬至です。 Wikipedia英語版によると > winter_solstice = "Winter solstice is an astronomical phenomenon which for the Northern Hemisphere occurs in December and which for the Southern Hemisphere occurs in June." #=> "Winter solstice is…