I want to know when Tom got up early怎么翻译?

问题描述:

I want to know when Tom got up early怎么翻译?
when理解成是 几点?还是哪一天?还是其他?
同理
i want to know when tom arrived late.

我想知道tom什么时候早起过?
我想知道tom什么时候迟到过?