It is already night.

已经入夜了。

youdao

Is it the next night already?

难道已经是第二天夜里了吗？

youdao

Is it already day, or is it still night?

现在是白天还是晚上？

youdao

Is it already day, or is it still night?

现在是白天还是晚上？

youdao