YOU SAID:

i get off of work at 7

INTO JAPANESE

私は7時に仕事をやめます

BACK INTO ENGLISH

I quit work at 7

INTO JAPANESE

7時に仕事をやめた

BACK INTO ENGLISH

I quit my job at 7 o'clock

INTO JAPANESE

私は7時に仕事を辞めました

BACK INTO ENGLISH

I quit my job at 7

INTO JAPANESE

7時に仕事を辞めた

BACK INTO ENGLISH

I quit my job at 7