The letter writer expresses hurt that their non-Jewish friends do not acknowledge Jewish holidays while they go out of their way to recognize Christmas and Easter.

The Jewish calendar's leap day in Adar, observed during a leap year, adds a full month to correct for discrepancies between lunar and solar years maintaining the holiday of Passover in the spring.

The article discusses the significance of the Jewish calendar, particularly in the context of the Jewish concept of time.

Being Jewish on Christmas comes with some unique perks, as highlighted in a list of the "Top 10 Reasons It's Great Being Jewish On Christmas."