Anyone has a "regular" 28day cycle..... That CHANGED your estimated AF due date?

MiA

So I started tracking with OPK this month and based on my 28-29 day cycle was shocked to not ovulate on 4/15 as estimate.... My first day of my last period was 4/1.... I ovulated on 4/19 so my <a href="https://play.google.com/store/apps/details?id=com.glow.android">Glow app</a> changed my next estimated period .... It would have been 4/28, but changed to 5/4.... This the first time that I'm actually paying attention and low n behold no AF still.... This happen (or has happen) to anyone else??? Trying to figure out if I should test tomorrow or just kinda wait it out lol....

Baby dust ladies ..