Танах к Бамидбар 20:29

וַיִּרְאוּ֙ כָּל־הָ֣עֵדָ֔ה כִּ֥י גָוַ֖ע אַהֲרֹ֑ן וַיִּבְכּ֤וּ אֶֽת־אַהֲרֹן֙ שְׁלֹשִׁ֣ים י֔וֹם כֹּ֖ל בֵּ֥ית יִשְׂרָאֵֽל׃ (ס)

И когда все собрание увидело, что Аарон умер, они плакали у Аарона тридцать дней, даже весь дом Израилев.

Numbers

Aharon took, just as Moshe spoke, and he ran to the middle of the assembly and behold! The plague had commenced among the people. He put on incense and he atoned for the people.

Deuteronomy

Bnei Yisroel bewailed Moshe on the plains of Moav for thirty days; [after which] ended the days of bewailing in Moshe’s mourning period.