Is the Cold Food Festival the same as Tomb-Sweeping Day?

The Cold Food Festival is different from Tomb-Sweeping Day.

The Cold Food Festival is usually from winter to the day after 105. The days near Tomb-Sweeping Day. Before the calendar reform in Tang Ruowang in the early Qing Dynasty, Tomb-Sweeping Day was scheduled for two days after the Cold Food Festival. After the reform of the Tang family, the Cold Food Festival was held the day before Tomb-Sweeping Day. The definition of modern twenty-four solar terms follows the Tang family, so the Cold Food Festival is the day before Tomb-Sweeping Day. After the founding of New China, many regions equated the Cold Food Festival with Tomb-Sweeping Day and celebrated it on the same day.

However, in most parts of Shanxi, the day before Tomb-Sweeping Day was the Cold Food Festival. Some places, such as Yushe County, celebrated the Cold Food Festival two days before Tomb-Sweeping Day. Yuanqu County also pays attention to Tomb-Sweeping Day's Cold Food Festival the day before, and the light cold food the day before.