I love this question. It seems to come up a lot. 60 days or more depending on a whole bunch of factors, none of which you have any control over.
Haha that's the funniest thing iv ever heard! Clearly the 2 answers below have no idea about this at all. Depending on the cutoff level anywhere between 1 & 72 hours! After that your safe! Brush your teeth and use mouthwash to reduce the time.
They send the swab to a lab drug tests for corporations will get test results back in 3 to 5 days.
If you want to get thc out of your system it takes 20 days of optimal hydration exercise and dieting.