他最迟会在晚上八点到达。

He will arrive by 8 PM at latest.

飞机将在晚上八点回到机场。

The plane will return to the airport at 8 PM.

客人们大约在晚上八点到达派对。

The guests arrive at the party around 8 PM.

他特别地提到他会在晚上八点到达。

He mentioned specifically that he would arrive at 8 PM.

我喜欢在晚上12点到晚上八点吃东西，然后我将在翌日晚上8点到晚上12点禁食。

I prefer to eat between 12pm to 8pm. Then I typically fast from 8pm until 12pm the next day.