《登泰山记》一文中,作者鼐姚在记叙登山和观日的时间分别是“丁未日”和“戊申晦”。“丁未日”是指乾隆三十九年十二月二十八日无疑。“戊申晦”因课文注释:“戊申这一天是月底。晦,阴历每月的末一天。”所以学生大多以为“戊申晦”是十二月三十日,其实“戊申晦”应是十二月二十九日。一、作者与友人是“是月丁未”……由南麓登”,“望晚日照城郭……雾若带然。”这就告诉我们,作者与友人由南麓到达山顶是“丁未 In the article titled “The Climbing Mountain of Tai Tai”, the author’s time in describing the mountaineering and viewing of the sun is “Ding Wei Ri” and “Peng Shen Lu”. “Ding Wei Ri” means that Qianlong was undoubted on December 28, 39. “Em Shin Sang” is commented on in the text: “The month of Ewushen is the end of the month. 晦, the last day of the lunar month.” Therefore, most students think that “Eng Shenshen” is December 30, in fact, “Eng Shenshen”. It should be December 29. First, the author and his friend are “it is not a moon” ... ... from the south, “”, “look at the city in the evening ... ... fog if natural. ”That tells us that the author and friend from Nanxun to the top of the hill is