1 Samuel 20:19

On the third day you must go down quickly and go to the place where you hid yourself {on the day all this started} and remain beside the stone Ezel.

1 Samuel 19:2

So Jonathan informed David, saying, "My father Saul [is] trying to kill you; now please take care! In the morning you should stay in the hiding place and conceal yourself.

1 Samuel 20:5

David said to Jonathan, "Look, tomorrow [is] the new moon, and I should certainly sit with the king to eat. You must send me away so that I can hide myself in the field until the third evening.

Treasury of Scripture Knowledge

Summary

And when thou hast stayed three days, then thou shalt go down quickly, and come to the place where thou didst hide thyself when the business was in hand, and shalt remain by the stone Ezel.

Bible References

Hide thyself

1 Samuel 20:5
David said to Jonathan, "Look, tomorrow [is] the new moon, and I should certainly sit with the king to eat. You must send me away so that I can hide myself in the field until the third evening.
1 Samuel 19:2
So Jonathan informed David, saying, "My father Saul [is] trying to kill you; now please take care! In the morning you should stay in the hiding place and conceal yourself.