'Year of' in the Bible

Beware that there be not a base thought in thy heart, saying, The seventh year, the year of release, is at hand; and thine eye be evil against thy poor brother, and thou give him nought; and he cry unto Jehovah against thee, and it be sin unto thee.

When thou hast made an end of tithing all the tithe of thine increase in the third year, which is the year of tithing, then thou shalt give it unto the Levite, to the sojourner, to the fatherless, and to the widow, that they may eat within thy gates, and be filled.

And Moses commanded them, saying, At the end of every'seven years, in the set time of the year of release, in the feast of tabernacles,