When is the day or two before the Cold Food Festival?

Cold Food Festival, also known as "Smoke-free Festival", "Cold Food Festival" and "15th Festival", is from summer to the future 105, one or two days before Tomb-Sweeping Day. When the first day of the day is a holiday, smoking is forbidden and only cold food is eaten. In the development of later generations, the customs of sweeping, climbing, swinging, cuju, crochet and cockfighting were gradually increased. The Cold Food Festival lasted for more than 2,000 years and was once called the largest folk festival. Cold Food Festival is the only traditional festival of Han nationality named after food customs. Later, because cold food was close to Qingming, people combined cold food with Qingming before crossing Tomb-Sweeping Day.

The Cold Food Festival is usually from winter to the next day 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.

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