Happy Ethiopian New Year (Enkutatash), 2015. A unique calendar system. Compared to the Gregorian Calendar, it is 7 years and 8 months late. Its New Year lies on September 11 and becomes 12 in a leap year. Bidens macroptera (locally called Adey Abeba) is native to Ethiopia - symbolizes not only the end of the rainy season and the start of summer but also indicates the end of a year and the beginning of a new one.