What day is the twelfth day of the first month?

The twelfth day of the first month is the light shed; Fire sacrifice; The mouse married his wife; Ding Dianri.

Build a light shed; Fire sacrifice; The mouse married his wife; On Sunday, the light shed is commonly known as the "Twelve Light Sheds". This means that the Lantern Festival is coming. From this day on, village managers will gather skilled craftsmen and young adults to prepare lanterns to make various preparations for the Lantern Festival. There is a nursery rhyme that says, "Eleven people clamor, twelve people build a light shed, thirteen people turn on the lights, fourteen lights are on, fifteen lines and a half months, and sixteen people finish the lights.