The Festival Calendar: Worship and the tabernacle were located at the center of ancient Israel’s life. Chapter 23 articulates the calendar of special worship events. Exodus 23:14–17 and 34:17–26 prefigure this more detailed description, and Numbers 28–29 and Deuteronomy 16:1–17 also treat the issues. No doubt the historical development of this calendar is long and complex. Certainly early agricultural festivals …