Luke 6:1

One Sabbath while Jesus was passing through fields of standing grain, it happened that His disciples were picking the heads of grain, rubbing them in their hands, and eating them.

Deuteronomy 23:25

“When you come into the standing grain of your neighbor, you may pluck the ears of grain with your hand, but you shall not wield a sickle in your neighbor’s standing grain [to harvest it].

Matthew 12:1-8

At that particular time Jesus went through the grainfields on the Sabbath, and His disciples were hungry and began to pick the heads of grain and eat them.

Mark 2:23-28

One Sabbath He was walking along [with His disciples] through the grainfields, and as they went along, His disciples began picking the heads of grain.

Exodus 12:15

[In the celebration of the Passover in future years,] seven days you shall eat unleavened bread, but on the first day you shall remove the leaven from your houses [because it represents the spread of sin]; for whoever eats leavened bread on the first day through the seventh day, that person shall be cut off and excluded from [the atonement made for] Israel.

Leviticus 23:7

On the first day you shall have a holy convocation (calling together); you shall not do any laborious work [on that day].

Leviticus 23:10-11

“Speak to the children of Israel and say to them, ‘When you enter the land which I am giving you and reap its harvest, you shall bring the sheaf of the first fruits of your harvest to the priest.

Leviticus 23:15

‘You shall count from the day after the Sabbath, from the day when you brought in the sheaf (tied bundle of grain) of the wave offering; there shall be seven complete Sabbaths (seven full weeks).

Deuteronomy 16:9

“You shall count seven weeks for yourself; you shall begin to count seven weeks from the time you first put the sickle to the standing grain.

Treasury of Scripture Knowledge

Summary

And it came to pass on the second sabbath after the first, that he went through the corn fields; and his disciples plucked the ears of corn, and did eat, rubbing them in their hands.

Bible References

The second

Exodus 12:15
[In the celebration of the Passover in future years,] seven days you shall eat unleavened bread, but on the first day you shall remove the leaven from your houses [because it represents the spread of sin]; for whoever eats leavened bread on the first day through the seventh day, that person shall be cut off and excluded from [the atonement made for] Israel.
Leviticus 23:7
On the first day you shall have a holy convocation (calling together); you shall not do any laborious work [on that day].
Deuteronomy 16:9
“You shall count seven weeks for yourself; you shall begin to count seven weeks from the time you first put the sickle to the standing grain.

That

Matthew 12:1
At that particular time Jesus went through the grainfields on the Sabbath, and His disciples were hungry and began to pick the heads of grain and eat them.
Mark 2:23
One Sabbath He was walking along [with His disciples] through the grainfields, and as they went along, His disciples began picking the heads of grain.

And his

Deuteronomy 23:25
“When you come into the standing grain of your neighbor, you may pluck the ears of grain with your hand, but you shall not wield a sickle in your neighbor’s standing grain [to harvest it].