And all the congregation saw that Aaron was dead. And they wept for Aaron thirty days, [even] all the house of Israel.

and shall take away her garments of captivity from off her, and she shall abide in your house, and shall mourn her father and mother for a full month; and afterwards you shall go in to her and dwell with her, and she shall be your wife.

And the children of Israel wept for Moses in Araboth of Moab at the Jordan near Jericho for thirty days; and the days of weeping and mourning for Moses were completed.