YOU SAID:

I hope you are having a good day!

INTO JAPANESE

私はあなたが良い一日を過ごしていることを願っています！

BACK INTO ENGLISH

I hope that you have a nice day!

INTO JAPANESE

良い日をお過ごしください。

BACK INTO ENGLISH

Have a nice day.

INTO JAPANESE

いい１日を！

BACK INTO ENGLISH

Have a nice day.