Guests are requested to vacate their rooms by noon on the day of departure.

房客务请在离开之日的中午以前腾出房间。

《牛津词典》

The real journey line is one which is issued on the day of departure.

最终游览行程以出发当天派发的行程为准。

youdao

On the day of departure, plan to arrive at the airport at least two hours before takeoff on international flights.

出发当天，在国际航班起飞前至少两个小时就要预先抵达机场。

youdao

On the day of departure, set aside an hour for provisioning.

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Beyond the Nets' marketing efforts, however, Carter's potential departure probably wouldn't have much of an effect on the team's day-to-day operations.

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