Joel 4:1 Midrash

כִּ֗י הִנֵּ֛ה בַּיָּמִ֥ים הָהֵ֖מָּה וּבָעֵ֣ת הַהִ֑יא אֲשֶׁ֥ר אשוב [אָשִׁ֛יב] אֶת־שְׁב֥וּת יְהוּדָ֖ה וִירוּשָׁלִָֽם׃

For, behold, in those days, and in that time, When I shall bring back the captivity of Judah and Jerusalem,

Read midrashic interpretation of Joel 4:1: and classical rabbinic exegesis.