重阳节用英语该怎么说

重阳节英语怎么说:
　　重阳节英语：Double Ninth Festival
　　重阳节的英语情景对话
　　Today is September ninth by lunar calendar. It's the Double Ninth Festival.
　　今天是农历九月初九，是重阳节。
　　Oh,Today is the Double Ninth Festival.I almost forgot.I promised to go to climb the Green Mountain with my parents.Will you join us?
　　噢，今天是重阳节。我差点忘了，我说过要和父母一起去爬青山。你要不要跟我们一起去?