YOU SAID:

Hi how was your day today?

INTO JAPANESE

こんにちは。今日はどうでしたか？

BACK INTO ENGLISH

Hi, how was your day?

INTO JAPANESE

- 今日はどうだった？

BACK INTO ENGLISH

- How was your day?

INTO JAPANESE

- きょうはどうだった？

BACK INTO ENGLISH

- How was your day?