Numbers 13:25

When they returned from spying out the land, at the end of forty days,

Exodus 24:18

Moses entered the midst of the cloud as he went up to the mountain; and Moses was on the mountain forty days and forty nights.

Exodus 34:28

So he was there with the Lord forty days and forty nights; he did not eat bread or drink water. And he wrote on the tablets the words of the covenant, the Ten Commandments.

Numbers 14:33-34

Your sons shall be shepherds for forty years in the wilderness, and they will suffer for your unfaithfulness, until your corpses lie in the wilderness.

Treasury of Scripture Knowledge

Summary

And they returned from searching of the land after forty days.

Bible References

Forty days

Numbers 14:33
Your sons shall be shepherds for forty years in the wilderness, and they will suffer for your unfaithfulness, until your corpses lie in the wilderness.
Exodus 24:18
Moses entered the midst of the cloud as he went up to the mountain; and Moses was on the mountain forty days and forty nights.
Exodus 34:28
So he was there with the Lord forty days and forty nights; he did not eat bread or drink water. And he wrote on the tablets the words of the covenant, the Ten Commandments.