YOU SAID:

I went to the game but was a day after the fair.

INTO JAPANESE

私は試合に行きましたが、フェアの翌日でした。

BACK INTO ENGLISH

I went to the game and it was the day after the fair.

INTO JAPANESE

私は試合に行きましたが、それはフェアの翌日でした。

BACK INTO ENGLISH

I went to the game and it was the day after the fair.