#Now

This word is used here to mark a new part of the story.

#a famine happened

"there was a famine" or "there was another famine"

#in the land

Which land this refers to can be stated explicitly. AT: "in the land where Isaac and his family lived" (See: [[:en:ta:vol1:translate:figs_explicit]])

#that had been in the days of Abraham

The phrase "in the days" stands for when Abraham lived. AT: "that had happened during Abraham's life" (See: [[:en:ta:vol2:translate:figs_metonymy]])