How long did your Ovulation bleeding last?

Okay soo my period ended April 5th. I started to bleed lightly with stretching mucus on the 18th, 19th, and the 20th. This light bleeding lasted for 4 days. On my calendar it was around when my ovulation was suppose too start. It was way different then my period, sorry tmi but did not even smell like a period, like a period has that blood smell, not this. On the 21, the last day it was still light bleeding but watery then the next day gone. Could this be ovulation? Has anyone had ovulation last 4 days before??