YOU SAID:
The dawn has arrived.
INTO JAPANESE
夜明けがやってきました。
BACK INTO ENGLISH
The dawn has come.
INTO JAPANESE
夜明けがやってきた。
BACK INTO ENGLISH
Dawn has come.
INTO JAPANESE
夜明けがやってきた。
BACK INTO ENGLISH
Dawn has come.
That didn't even make that much sense in English.