Jan. 1st ---- New Year's Day; 1 day holiday

Jan/Feb ---- Spring Festival (Chinese lunar New Year); 4 days holiday

Mar. 8th ---- International Womens' Day; 1/2 day holiday for women only

May. 1st ---- International Workers' Day; 3 day holiday

Oct. 1st ---- National Day; 3 days holiday

May. 4th ---- Chinese Youths' Day, is a festival for the youths of the country in memory of the May 4th Movement in 1919 started by university students and other youths to protest against the northern warlord government which wanted to sign an unequal treaty with the foreign powers. 

Young people normally have 1 day or 1/2 day off.

Jun. 1st ---- International Children's Day, is a festival for children.
School children normally have 1 day or 1/2 day holiday.

Jul. 1st ---- Birthday of the Communist Party of China, is usually celebrated through meetings.

Aug. 1st ---- Birthday of the People's Liberation Army, is usually celebrated by the army.

There are also other days such as the Plant-a-Tree Day, No Smoking Day, Environment Protection Day, Customers' Rights Day, etc. Some days such as Mother's Day and Father's Day are also promoted by shops to attract more customers.

Western holidays are becoming more popular in China, especially among young people, such as Christmas Day which is celebrated in all hotels, Valentine's Day and April Fool's Day. 

*It is customary for people to 'borrow' weekends to make a three-day-long holiday into a week-long holiday, the Saturday and Sunday immediately preceding or following the extended holiday are official workdays.