When should I apply for masters?

I WANTED TO ASK THA I WANT TO GET ADMISSION IN A UNIVERSITY FOR MASTER'S DEGREE IN 2024-2025 , SO FOR THAT SHOULD I HAVE TO APPLY NOW OR LATER WHEN I COMPLETE MY BACHELOR'S DEGREE ?🤔👨🏻‍🏫

hi guyz ..when should i apply to canadian universities for masters ( fall 2020) .. i am currently wr