In those days John the Baptist came preaching in the wilderness of Judea,
▸'In those days' points to the roughly 30-year gap after Jesus grew up in Nazareth.
'In those days' points to the roughly 30-year gap after Jesus grew up in Nazareth. John the Baptist's appearance is sudden and striking. 'The wilderness (ἔρημος)' is not merely a geographical location but a theological space — the setting for Israel's wilderness wandering, encounter with God, and new beginning. The new era is proclaimed not in the court or the temple, but in the wilderness. The cry from the wilderness directly echoes Isaiah 40:3 ('the voice of one crying in the wilderness'), declaring John to be the opening of prophecy.