וּסְפַרְתֶּ֤ם לָכֶם֙ מִמָּחֳרַ֣ת הַשַּׁבָּ֔ת מִיּוֹם֙ הֲבִ֣יאֲכֶ֔ם אֶת־עֹ֖מֶר הַתְּנוּפָ֑ה שֶׁ֥בַע שַׁבָּת֖וֹת תְּמִימֹ֥ת תִּהְיֶֽינָה׃
И вы будете рассчитывать вам с завтрашнего дня после дня отдыха, со дня, когда вы принесли сноп волнистости; должно пройти семь недель;
I Samuel
It was the day after the New Moon, the second [day], and Dovid's place was empty. Shaul said to Yonoson, his son, "Why has the son of Yishay not come to the meal neither yesterday nor today?"
Leviticus
He shall wave the omer before Adonoy that it be favorably accepted for you. On the day after the day of rest (Pesach), the kohein shall wave it.
Numbers
On the day of the first fruits when you bring a new meal-offering to Adonoy on your Festival of Weeks, there shall be a sacred holiday to you when you shall not do any work of consequence.