YOU SAID:

this is the day that you can say that this the day is

INTO JAPANESE

これはあなたがこの日であると言うことができる日です

BACK INTO ENGLISH

This is the day you can say this is the day

INTO JAPANESE

これはあなたがこれが日であると言うことができる日です

BACK INTO ENGLISH

This is the day you can say this is the day