'Day's' in the Bible

Then Yahweh said to Moses, "Behold, I will rain bread from the sky for you, and the people shall go out and gather a day's portion every day, that I may test them, whether they will walk in my law, or not.

A wind from Yahweh went out and brought quails from the sea, and let them fall by the camp, about a day's journey on this side, and a day's journey on the other side, around the camp, and about two cubits above the surface of the earth.

But he himself went a day's journey into the wilderness, and came and sat down under a juniper tree: and he requested for himself that he might die, and said, "It is enough. Now, O Yahweh, take away my life; for I am not better than my fathers."

So he left there, before the ark of the covenant of Yahweh, Asaph and his brothers, to minister before the ark continually, as every day's work required;

Then Esther said, "If it pleases the king, let it be granted to the Jews who are in Shushan to do tomorrow also according to this day's decree, and let Haman's ten sons be hanged on the gallows."

Jonah began to enter into the city a day's journey, and he cried out, and said, "In forty days, Nineveh will be overthrown!"