YOU SAID:

Hello how has your day been would you like to come over for a party later this evening

INTO JAPANESE

こんにちは、今日の夜はパーティーに来てみませんか？

BACK INTO ENGLISH

Hi, Why do not you come to the party tonight?

INTO JAPANESE

こんにちは、今夜パーティーに来ませんか？

BACK INTO ENGLISH

Hello, do not come to the party tonight?

INTO JAPANESE

こんにちは、今夜はパーティーに来ませんか？

BACK INTO ENGLISH

Hello, do not come to the party tonight?