YOU SAID:
I hope your day is going well
INTO JAPANESE
私はあなたの日がうまくいっていることを願っています
BACK INTO ENGLISH
I hope your days are going well
INTO JAPANESE
私はあなたの日がうまくいっていることを願っています
BACK INTO ENGLISH
I hope your days are going well
That didn't even make that much sense in English.