The Jewish Calendar, also known as the Hebrew Calendar, is a lunar-based calendar primarily used by Jewish people all around the world to determine their holy days and celebrations. However, the Jewish Calendar has a few synonyms that are used interchangeably. Some of the synonyms for the Jewish Calendar are the Hebrew Calendar, the Biblical Calendar, the Jewish Lunar Calendar, the Rabbinic Calendar, and the Sacred Calendar. Each synonym highlights the importance and impact of the Jewish Calendar in the Jewish culture and religion. Despite the different names, the Jewish Calendar remains a vital tool for Jewish people to connect with their roots, traditions, and faith.