Holiday in Ningxia – Ningxia Travel for It was the month of months. And the irst day of Tishri was no ordinary day it was the Feast of Trumpets, Rosh Hashanah. It was a holy, solemn, and joyful holiday marked by the blowing of trumpets. Every Jewish month was announced by the blowing of trumpets, but Tishri was set apart in that it was a day of trumpet blasts, presumably in that trumpets were to be blown all day long Lev. Num. a. The irst sighting of the young crescent Moon in September was immediately followed by the blowing of the trumpets announcing the Feast of Trumpets and the beginning of the civil New Year. Holiday in Ningxia – Ningxia Travel 2016.