Knowing ancient Jewish culture will help us know the Bible better, and know God better. The investment will pay off many fold.
Modern Jews and Christians are far removed from the ancient Israelite culture. Our food supply in the developed world is relatively secure, while their food supply, and their survival, depended on each year’s harvest. “Feast” in rich modern nations usually means low food prices and “famine” means high food prices, whereas feast in ancient Israel meant life and famine meant death. Refrigeration and cheap transportation give us variety and reliability at the dinner table, while the lack of both made it frequently hard for the Hebrews to know where their next meal was coming from. In modern times we emphasize the role of technology in our prosperity and downplay the grace of God, while in ancient Israel they used existing technology wisely while recognizing that the hand of the Lord was the source of all things.
Is it any wonder that modern first-world Christians don’t understand how important the feasts were to the Hebrews in the Old Testament? Many Americans’ main worry surrounding the main cultural feasts, Thanksgiving and Christmas, is not putting on too much weight. Political and social leaders encourage people to enjoy family and friends, and maybe even thank others who grew the food, but say nothing about God.
To better understand the Bible we must have some understanding of the feasts that meant so much to the Israelites at the time.