English: "You shall make a release" — On the first of Tishrei is the New Year for shemittah years, for it is written "at the end of seven years you shall make a release"; just as years are counted from Tishrei, so shemittah is counted from Tishrei.
On the daf / in context: Both the agricultural and the monetary aspects of shemittah begin their count from 1 Tishrei.
Type of Learning
Derash on the verse (Yerushalmi) — the New Year for shemittah is 1 Tishrei.
What Is Learned
The first of Tishrei is the New Year for the reckoning of shemittah years.