Elaine,
The Leviticus 23 command in the Scripture is obscure at best when referring to the true count from passover to pentecost. There are many arguments that support and discredit your position, so we are in limbo on this I believe.
There is the account that Jesus was seen of the disciples 40 days after His resurrection. Is it 40 inclusive days, or 40 days out of 40 days ? There is also the fact that they have to add a 13th month to bring the lunar calendar in line with the solar. Then Paul's journey to jerusalem where he will ultimately be cast into prison does not add up for him to have arrived in the necessary time to make the Pentecost observance, if indeed he had only 50 days and not 100. You are correct in one aspect, in that the harvest does not come in in the spring, but in the summer. This is troubling in that then it would make for 3 spring feasts, 1 summer and three fall feasts. I have personally observed the moon cycles and they do seem to adhere to the www.lunarsabbath.com contention.
This inevitably would mean that the Jewish calendar is 30 days in length, and not the 29.4 days that has been previously thought?
Much to ponder. Will be looking at July with great expectation.
AT