A large crowd had gathered despite the lateness of the hour.

尽管时间很晚了，还有一大群人聚集在了一起。

《柯林斯英汉双解大词典》

Despite the lateness of the hour, the children were not in bed.

尽管已是深夜，孩子们仍未就寝。

《牛津词典》

The lateness of the hour was almost the biggest thing of all.

时间的延迟几乎是所有事情中最重要的事情。

youdao

Indeed, given the lateness of the hour, the audience questions only served to delay the livelier exchanges which were broadcast near midnight.

BBC: NI election Leaders Debate: last word from party heads

And is it time for the President, given the lateness of the hour, to say something about what he would be willing to accept, perhaps not including a tax on carbon -- a price on carbon?

WHITEHOUSE: Press Briefing