Why We Count the Omer Like Paul (and Not the Sadducees)
How You Count the Omer Determines When You Celebrate Shavu’ot/Feast of Weeks, aka Pentecost
Premise 1: Pharisees used the Pharisaic method of counting the days/omer to Shavuot.
Premise 2: Paul was a Pharisee.
Conclusion: Paul used the Pharisaic method of counting the days/omer to Shavu’ot.
There is a lot more to it than that, of course, so please check out the slide show at the link: Why we count the omer like Paul (and not the Sadducees)