The Spring Festival is on the first day in the lunar calendar. It's one of the most important festivals. It's on about January or February. Adults work far away from thier home will return home to gather with thier family this day. So the transport is often busy. Also students are having a winter holiday in this time. So everybody would gather togather very happy.
春节是在第一天在农历年。这是一种最重要的节日之一。这是在一月或二月。成人远离他们的家里工作将回到他们的相聚的家庭,这一天。所以交通经常很忙。学生们正在上也一个冬季度假的。所以每个人都会聚集在一起非常快乐。
参考资料:http://zhidao.baidu.com/question/216352400.html#here