YOU SAID:

This day has been really slow.

INTO JAPANESE

この日は本当に遅れています。

BACK INTO ENGLISH

This day is really late.

INTO JAPANESE

この日は本当に遅いです。

BACK INTO ENGLISH

This day is really slow.

INTO JAPANESE

この日は本当に遅いです。

BACK INTO ENGLISH

This day is really slow.