on the afternoon of Friday 还是 in the afternoon of Friday 哪个对
问题描述：
on the afternoon of Friday 还是 in the afternoon of Friday 哪个对
麻烦说下原因
答
应该是on the afternoon of Friday 在没有明确指明那一天的早上下午晚上时用in 在确指某一天的早上下午晚上时用on
又如on a windy afternoon