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

Have you got the latest Time magazine?

有最新一期的《时代周刊》杂志吗？

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

In 2011 Anonymous threatened to take action against the Fed over its economic policies, but the latest incident is the first time it has claimed success at breaching the agency.

BBC: Federal Reserve