✅It is a Hebrew phrase that means ‘the head of the year‘, and followed as a ‘new year day’ in Judaism. It begins on the first day of the seventh month of the Jewish calendar.
✅As it is celebrated for 48 hours, it is also called ‘yoma arichta’, meaning ‘a long day’.
Origin

✅It is not explicitly mentioned in the Torah (Judaism’s founding religious text) and appears under different names in the Bible.
✅However, Torah mentions a sacred occasion that starts on the first day of the seventh month of the Jewish calendar around the time Rosh Hashanah is scheduled.