1 Samuel 20:18

Then said Jonathan to David, "Tomorrow shall be the first day of the moon. And thou shalt be missed, because the place shall appear empty.

1 Samuel 20:5

And David said unto Jonathan, "Behold, tomorrow is the first day of the month, and I should sit with the king at meat. But let me go that I may hide myself in the fields unto this day three days at evening.

1 Samuel 20:25

And the king sat him down after the old manner, in his seat by the wall. And Jonathan arose, and Abner sat by Saul's side, and David's place was empty.

Treasury of Scripture Knowledge

Summary

Then Jonathan said to David, To morrow is the new moon: and thou shalt be missed, because thy seat will be empty.

New moon

Bible References

New moon

1 Samuel 20:5
And David said unto Jonathan, "Behold, tomorrow is the first day of the month, and I should sit with the king at meat. But let me go that I may hide myself in the fields unto this day three days at evening.