Exodus 16:5
And it shall be that on the sixth day, they shall prepare to bring in twice as much as they gather daily [so that they will not need to gather on the seventh day].”
Exodus 16:22-23
Now on the sixth day they gathered twice as much bread, two omers for each person; and all the leaders of the congregation came and told Moses.
Exodus 35:2-3
“For six days work may be done, but the seventh day shall be a holy day for you, a Sabbath of complete rest to the Lord; whoever does any kind of work on that day shall be put to death.
Leviticus 25:21-22
then [this is My answer:] I will order My [special] blessing for you in the sixth year, so that it will produce [sufficient] crops for three years.