YOU SAID:

I am really tired today aren't you.

INTO JAPANESE

今日は本当に疲れましたね。

BACK INTO ENGLISH

I'm really tired today.

INTO JAPANESE

今日は本当に疲れたよ。

BACK INTO ENGLISH

I'm really tired tonight.

INTO JAPANESE

今夜は本当に疲れたよ。

BACK INTO ENGLISH

I'm really tired tonight.