However,the dates of Spring Festivals are always on Dec.30th of lunar calendar,so they are usually not on the same day on the solar calendar.Spring Festival usually lasts for 3 days in a row.It is a national holiday and most people have days off at that time.On those days,families will visit each other.Many people get married on those days.People will dress up and have lots of good food.That tradition has last for thousand of years in China.