Exodus 16:23-29 NIV

23 He said to them, "This is what the LORD commanded: 'Tomorrow is to be a day of rest, a holy Sabbath1 to the LORD. So bake what you want to bake and boil what you want to boil. Save whatever is left and keep it until morning.' "

References for Exodus 16:23

24 So they saved it until morning, as Moses commanded, and it did not stink or get maggots in it.
25 "Eat it today," Moses said, "because today is a Sabbath to the LORD. You will not find any of it on the ground today.
26 Six days you are to gather it, but on the seventh day, the Sabbath,2 there will not be any."

References for Exodus 16:26

27 Nevertheless, some of the people went out on the seventh day to gather it, but they found none.
28 Then the LORD said to Moses, "How long will youa refuse to keep my commands3 and my instructions?

References for Exodus 16:28

29 Bear in mind that the LORD has given you the Sabbath; that is why on the sixth day he gives you bread for two days. Everyone is to stay where he is on the seventh day; no one is to go out."