YOU SAID:

When The sun sets, its dark.

INTO JAPANESE

太陽が沈むと暗くなる。

BACK INTO ENGLISH

It gets dark as the sun sets.

INTO JAPANESE

太陽が沈むと暗くなります。

BACK INTO ENGLISH

It will become dark as the sun sets.

INTO JAPANESE

太陽が沈むと暗くなります。

BACK INTO ENGLISH

It will become dark as the sun sets.