How long before positive pregnant test?

M

For those of you that are pregnant (or been pregnant and can remember) and tested almost every day after day 1 of your missed period, how long before your pregnancy test turned from negative to positive? I’m 4 days late and still negative as of this morning. I don’t think I ever recall being this late before. 2 days late (maybe 3) on very rare occasions it’s has happened but I’ve always had a pretty regular cycle so I’m a little stumped.