Jewish New Year 2025 Meaning. Rosh hashanah is the birthday of the universe, the day g‑d created adam and eve, and it’s celebrated as the head of the jewish year. In 2025, rosh hashanah begins at sundown on wednesday, oct.

Sometime between the torah and the codification of the mishnah, the autumn new year gained ascendance, now transformed into a major celebration, and the nisan new year. 2, 2025) and ends after nightfall on tishrei 2 (oct.