'Three year' in the Bible

And he said to him, "Take for me a three-year-old heifer, and a three-year-old female goat, and a three-year-old ram, and a turtledove and a young pigeon."

And when ye come to the land and have planted all manner of trees whereof men eat, ye shall hold them uncircumcised as concerning their fruit: even three year shall they be uncircumcised unto you and shall not be eaten of,

And when she had weaned him, she took him up with her, with a three-year old bull, and one ephah of flour, and a skin of wine, and brought him to the house of the LORD in Shiloh. And the child was young.

There was famine in the days of David for three consecutive years; and David sought the presence (face) of the Lord [asking the reason]. The Lord replied, “It is because of Saul and his bloody house, because he put the Gibeonites to death.”

After this, the king of Assyria invaded the entire land, approached Samaria, and began a three year siege.

From the outcry at Heshbon even to Elealeh, even to Jahaz they have raised their voice, from Zoar even to Horonaim and Eglath-shelishiyah; for even the waters of Nimrim will become desolations.