如果是说重阳节这一天那就是用on。 具体的时间点用at。重阳节英文是：Double Ninth Festival；扩展资料It's also called the Double Ninth Festival.这又叫重阳节。What dose Chinese people eat in Double Ninth Festival traditionally?按照传统，在重阳节中国人吃什么？The Origin and Folk Cultural Meaning of the Double Ninth Festival重阳节的起源及民俗文化意味Really? But today is the Double Ninth Festival!真的？今天可是九九节啊！Tomorrow is Double Ninth Festival, Wish all the old people a happy holiday!明天是九九重阳节，祝愿所有的老人节日快乐！
