What is the latest time I can have an appointment?

最晚的预约时间是几点钟？

《牛津词典》

You program the clock with the latest time at which you want to be wakened, and it then duly wakes you during the last light sleep phase before that.

你给时钟设定了你想要醒来的最晚时间，然后它会在之前的浅睡眠阶段按时叫醒你。

youdao

You can download the latest Dan Brown novel to your Kindle in even less time than it takes to forget the content.

你可以把丹·布朗的最新小说下载到你的 Kindle 上，所用时间甚至比忘掉内容需要的时间更短。

youdao

This latest incident comes at a time when Afghanistan is witnessing its worst violence of the eight-year-long war following the ouster of the Taliban from power in 2001.

VOA: standard.2009.09.12

Manson also had a contraband cell phone twice, the latest time in January 2011.

CNN: Charles Manson to have parole hearing, but he may not attend

Giving the latest time schedule, officials said that it might be possible to remove the Concordia as early as June.

BBC: Costa Concordia wreck to be removed by September

It may be why -- as I pointed out in response to another question, given the history of assertions of privilege of this kind in the last 30 years, this President is asserting it for the first time at the latest point of any history in those -- at the latest point in his term of any President in those past 30 years.

WHITEHOUSE: Press Briefing