וַיְהִ֗י מִֽמָּחֳרַ֤ת הַחֹ֙דֶשׁ֙ הַשֵּׁנִ֔י וַיִּפָּקֵ֖ד מְק֣וֹם דָּוִ֑ד (ס) וַיֹּ֤אמֶר שָׁאוּל֙ אֶל־יְהוֹנָתָ֣ן בְּנ֔וֹ מַדּ֜וּעַ לֹא־בָ֧א בֶן־יִשַׁ֛י גַּם־תְּמ֥וֹל גַּם־הַיּ֖וֹם אֶל־הַלָּֽחֶם׃
And it came to pass on the morrow after the new moon, which was the second day, that David’s place was empty; and Saul said unto Jonathan his son: ‘Wherefore cometh not the son of Jesse to the meal, neither yesterday, nor to-day?’
Read halakhic rulings (Jewish law) on I Samuel 20:27 from the Mishneh Torah and classical halakhic sources, free online.