This time of year, late November, corresponds with the second line on this replica of the a found at Tel Gezer, Israel. This was a time of planting of grains in ancient Israel. The Gezer calendar dates from the time of the 10th century B.C.
… you reap whatever you sow. … So let us not grow weary in doing what is right, for we will reap at harvest time, if we do not give up. (Galatians 6.7,9)