Chinese New Year 10-year cycle of heavenly stems. Each of the ten heavenly stems is associated with one of the five elements of Chinese astrology, namely: Wood, Fire, Earth, Metal, and Water. The elements are rotated every two years while a yin and yang association alternates every year. The elements are thus distinguished: Yang Wood, Yin Wood, Yang Fire, Yin Fire, etc. These produce a combined cycle that repeats every 60 years. For example, the year of the Yang Fire Rat occurred in 1936 and in 1996, 60 years apart. Many people inaccurately calculate their Chinese birth-year by converting it from their Gregorian
Chinese New Year of China. In Taiwan, spring travel is also a major event. The majority of transportation in western Taiwan is in a north-south direction: long distance travel between urbanized north and hometowns in the rural south. Transportation in eastern Taiwan and that between Taiwan and its islands is less convenient. Cross-strait flights between Taiwan and mainland China began in 2003 as part of Three Links, mostly for "Taiwanese businessmen" to return to Taiwan for the new year. Chinese New Year is also celebrated annually in many countries with significant Chinese populations. These include countries throughout Asia, Oceania, and North America. Sydney,