25 And they return from exploring the land at the end of forty days.
Numbers 13:25 Cross References - ECB
Exodus 24:18
18 And Mosheh goes midst the cloud and ascends the mount: and Mosheh is on the mount forty days and forty nights.
Exodus 34:28
28 And there he is with Yah Veh - forty days and forty nights; he neither eats bread, nor drinks water. and he inscribes on the slabs the words of the covenant - the ten words.