Adam Clarke's Commentary on the Bible - Matthew 12:1
At that time Jesus went on the Sabbath-day through the corn - " The time is determined by Luke in these words, εν σαββατω δευτεροπρωτω , that is, on the Sabbath from the second-first. "Provision was made by the Divine law that the sheaf of first-fruits should be offered on the second day of the pass-over week, Leviticus 23:10 , Leviticus 23:11 . On the morrow after the Sabbath, the priest shall shake (or wave) it. Not on the morrow after the ordinary Sabbath of the week, but the... read more
John Gills Exposition of the Bible Commentary - Matthew 12:9
And when he was departed thence ,.... From the corn fields, where the disciples had plucked the ears of corn, and this conversation passed between Christ and the Pharisees about the violation of the sabbath, he went into their synagogue; not on the same sabbath day, as one might be led to conclude from the account of this evangelist, but on another sabbath, as Luke expresses it, Luke 6:6 . He might indeed directly go into one of their synagogues the same day, where he and his disciples... read more