具体到某一天用on,例如on Sunday。in、on、at表示时间的时候可以以顺口溜的方式记忆。in年in月in季/on日on节on某夜/at时分和深夜。
in、on、at表示时间的区别
in
in 2020,in 2014,in 1998... (in+年)
in January,in February,in March,in April...(in+月)
in spring,in summer,in autumn,in winter(in+季节)
in the morning,in the afternoon,in the evening(in+上午,下午,晚上)
on
on August 8,2020(on+日)
on Children’s Day(on+节)
on a cold night(on+某夜)
at
at表示时刻,时间的某一点
at noon(at+午)
at night(at+夜晚)
at nine o’clock(at+时)