וַיְמַ֤ן יְהוָה֙ דָּ֣ג גָּד֔וֹל לִבְלֹ֖עַ אֶת־יוֹנָ֑ה וַיְהִ֤י יוֹנָה֙ בִּמְעֵ֣י הַדָּ֔ג שְׁלֹשָׁ֥ה יָמִ֖ים וּשְׁלֹשָׁ֥ה לֵילֽוֹת׃
And the LORD prepared a great fish to swallow up Jonah; and Jonah was in the belly of the fish three days and three nights.
Targum Jonathan on Jonah
And the LORD invited a great fish to swallow Jonah, and Jonah was in the fish’s guts for three days and three nights.