This pattern of seven sevens shows up again in the counting of the Jubilee:
These verses show that the Jubilee and the Feast of Weeks use the same procedure to arrive at their respective endpoints. With the Jubilee, there is a span of years that indicates perfect perfection, and then the next year is a blessing for the entire nation. It was a national reset of debts and land ownership, as well as a land sabbath—the second in a row when the nation would be able to eat from the land without having to sow. It was a year of liberty and providence that came after a perfect span of appointed years.
The Feast of Weeks, then, is like a mini-Jubilee. Both are dependent on seven sevens, whether literal Sabbaths or Sabbaths of years. And in both cases, the cycles of seven remain unbroken. Just as Pentecost is both the 50th day and it is also the first day of the week, so the Jubilee is both the 50th year and also the first year of the next Sabbatical cycle. Pentecost is a day that fits within and begins the weekly cycle, and the Jubilee is a year that fits within and begins the Sabbatical cycle. So, the cycle of seven, of divine perfection, is never interrupted.
