YOU SAID:

it is march and next month is april

INTO JAPANESE

それは3月で、来月は4月です

BACK INTO ENGLISH

It's March, and next month is April.

INTO JAPANESE

3月、来月は4月です。

BACK INTO ENGLISH

March and next month are April.

INTO JAPANESE

3月と来月は4月です。

BACK INTO ENGLISH

March and next month are April.