What year is the ugly year? How can it be an ugly year?

1. There was no ugly year in the Republic of China, and the similar years were 1889 and 1949. The ugly year is one of the sixty years in the ancient calendar of the Yellow calendar, belonging to the Year of the Ox. The Gregorian calendar uses sexagesimal based on ten and twelve. The latest ugly year is 2009 in the lunar calendar.

2. The second year of a cycle in China's traditional calendar year is called the "ugly year". In the following AD years, if the number of years is divided by more than 60, or the number of years is reduced by 3, the remainder divided by 10 is 2, and the remainder divided by 12 is 2. The years from beginning of spring to beginning of spring in the following year are all "Ugly Years".