The Torah portion is Lekh Lekha, Genesis 12:1-17:27. In synagogues using the Triennial system, 5785 is year 3 and the Torah reading is Genesis 16:1-17:27.
This portion tells the story of Abraham from his Call to leave his father's house to the birth of his first son, Ishmael.The haftarah is Isaiah 40:27-41:16. This passage reassures the people of Israel, then in Exile, that the Call to Abraham and the promise to him in the Torah portion still apply.