Exodus 14:19 Halakhah

וַיִּסַּ֞ע מַלְאַ֣ךְ הָאֱלֹהִ֗ים הַהֹלֵךְ֙ לִפְנֵי֙ מַחֲנֵ֣ה יִשְׂרָאֵ֔ל וַיֵּ֖לֶךְ מֵאַחֲרֵיהֶ֑ם וַיִּסַּ֞ע עַמּ֤וּד הֶֽעָנָן֙ מִפְּנֵיהֶ֔ם וַיַּֽעֲמֹ֖ד מֵאַחֲרֵיהֶֽם׃

And the angel of God, who went before the camp of Israel, removed and went behind them; and the pillar of cloud removed from before them, and stood behind them;

Read halakhic rulings (Jewish law) on Exodus 14:19: and classical halakhic sources.