In order for you to be able to plan your vacation you might want to have a look at the dates below. These dates are the official National Holidays for 2012. Not included is the fact that some may need to work the weekend before these holidays (depends on the company).

Spring Festival - January 22 - 28
(New Years Eve Jan. 23)

Qing Ming Festival (Tomb Sweeping) - April 2 - 4
(Sweeping Day April 4)

May Day - April 29 - May 1

Dragon Boat Festival - June 22 - 24
(Dragon Boat Race Day June 23)

Mid-Autumn Day - September 30

National Day - October 1 - 7

Besides these holidays there are also other days that are celebrated all over China. Below are he most common celebrations.

Lantern Festival - February 6

Women's Day - March 8

Arbor Day - March 12

Youth Day - May 4

International Nurse Day - May 12

Children's Day - June 1

Anniversary of the Founding of the Chinese Communist Party - July 1

Army Day of the Chinese People's Liberation Army - August 1

Teacher's Day - September 10

Journalists Day - November 8