For those who use the Clearblue Advanced Digital to track ovulation, how long after a peak test should be ovulating? Before logging my positive OPK today the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> told me today was my predicted Ovulation day. When i logged my positive OPK it changed to tomorrow.. which is what my flo app says.. so I’m just trying to understand how soon after a positive test do we ovulate? Both apps have been kinda spot on.