# it came about

This phrase marks an important event in the story.

# in the twenty-seventh year

"in the twenty-seventh year of the exile of King Jehoiachin". This was after King Jehoiachin and the people of Judah were taken as exiles to Babylon.

# on the first of the first month

"on the first day of the first month." This is the first month of the Hebrew calendar. The first day is near the beginning of April.

# the word of Yahweh came

"Yahweh spoke this message". This introduces something that God told his prophets or his people. See Ezekiel 3:16.