What time does it get dark in summer?

夏天什么时候天黑？

《牛津词典》

It had begun to get dark, and Peter knew that it was time to go.

天开始黑了，彼得知道他该走了。

youdao

He started to get tired, and it was getting dark.

他开始累了，天渐渐黑了。

youdao

And by the time I get home, it's dark.

我回家的时候，天黑了。

中央公园的时光 - SpeakingMax英语口语达人

And man, does it get dark down there at the bottom of low expectations.

FORBES: Millennials, Hipsters, And Life After Financial Melancholy

They have no idea which way to go to get home, and it's starting to get dark.

NPR: A Proms Fairy Tale: Humperdinck's 'Hansel and Gretel'

As it began to get dark, I decided to visit the morgue of the main hospital in Gaza City.

BBC: Picture power: The price of war