due by 和due on 某日的区别

题目

due by 和due on 某日的区别
请问一下英语里面 due by 和 due on 某一日的区别是什么?
例如：Payment is due by March 3,20X2.是说三月三号“前”到期,就是最迟要三月二号晚上凌晨12点钟前付款吗?
Payment is due on March 3,20X2.是说三月三号当天一整天直到晚上12点钟之前付钱都没问题吗?

答案

是的.前面的意思是说你在3月3日之前任何一天付款都可以.后面的说是在3月3日那天付款!