John 19:31
It was the day of Preparation, and the next day was a High Sabbath. In order that the bodies would not remain on the cross during the Sabbath, the Jews asked Pilate to have the legs broken and the bodies removed.

Exodus 34:18
You are to observe the Feast of Unleavened Bread. For seven days at the appointed time in the month of Abib, you are to eat unleavened bread as I commanded you. For in the month of Abib you came out of Egypt.

Exodus 35:3
Do not light a fire in any of your dwellings on the Sabbath day."

Leviticus 23:7
On the first day you shall hold a sacred assembly; you are not to do any ordinary work.

Leviticus 23:8
For seven days you are to present an offering made by fire to the LORD. On the seventh day there shall be a sacred assembly; you must not do any ordinary work.'"

Numbers 28:18
On the first day there is to be a sacred assembly; you are not to do any regular work.

Numbers 28:25
On the seventh day you shall hold a sacred assembly; you must not do any regular work.

Deuteronomy 16:8
For six days you must eat unleavened bread, and on the seventh day you shall hold a solemn assembly to the LORD your God, and you must not do any work.

Isaiah 1:13
Bring your worthless offerings no more; your incense is detestable to Me--your New Moons, Sabbaths, and convocations--I cannot endure iniquity in a solemn assembly.