What does Exodus 12:16 mean?
This is part of the Lord's instructions regarding a festival Israel is to keep so they remember their liberation from Egypt (Exodus 12:14–15). To remember the unleavened bread they ate (Exodus 12:8) and will carry with them (Exodus 12:39), they are to remove all leaven—yeast—from their homes for a week. This is also a symbolic gesture about diligently seeking to separate ourselves from sin (1 Corinthians 5:7). The first and last days of the celebration week are to be special gatherings. Unlike sabbaths, which will be introduced later (Exodus 16:23–29; 20:8), necessary food may be prepared on those days.The Feast of Unleavened Bread comes immediately after Passover, which falls on the evening of the 14th day of the month of Nisan (Exodus 12:2, 5–6). For the next seven days, the people are to abstain from leaven. This ends after the 21st day of the month of Nisan. Because they are so intricately linked, the festival of Unleavened Bread is often included when discussing "Passover" observances (Luke 22:1).