The 13th day of the first month is also known as the Why Festival

The thirteenth day of the first month of the lunar calendar is known as the "birthday of the lamp", the folk in this day to light the lamp under the kitchen stove, also known as "point stove lamp".

Chinese custom from the thirteenth day of the first month on the lamp, the eighteenth day of the first month on the lamp, there are "thirteen, fourteen God to see the lamp, fifteen, sixteen people to see the lamp, seventeen, eighteen ghosts to see the lamp," said.

This custom began in the Southern Song Dynasty, documented in the Southern Song Dynasty, Li Zong Chunyou three years (1243 AD), there is a "please put the Lantern Festival, since the thirteenth day, the lanes and bridges, are all made of bamboo Zhang Lanterns," the folklore.

Xi'an, the 13th day of the first month of the sacrifice of Guan Gong

In Xi'an, Chang'an District, every first month of the 13th, there is a traditional custom of worship Guan Gong. Guan Gong, also known as Guan Yu, is known as Guan Yunchang, also known as Guan Ershi. In the Peach Orchard three righteousness, and Liu Bei and Zhang Fei righteousness as a brother, Guan Yu heavy commitment, keep promises, with life and death, *** suffering, assist Liu Bei to complete the three worlds of the cause, is loyal, brave, righteousness and trust in one body, was praised by the world.

The first month of the thirteenth day of the offerings unique, called "Tim Dish", made of soybeans, melon seeds, peach kernels, bamboo sticks, etc., the production of fine craftsmanship, is the worship "Guan Di Temple" when the offerings, but also a local folk crafts.

The above content reference? Baidu Encyclopedia - Thirteenth day of the first lunar month