Today is the 4th day of the 1st month in Lunar Calendar. According to folklore, it is a god-send-off day on the 23rd of the 12th lunar month, and it is also a god welcoming day on the 4th day of the Chinese New Year.
The Kitchen God (灶王爷，zao wang ye, or 灶神 zao shen) is said to report his work to the Jade Emperor (玉皇大帝, yu huang da di) commenting on human good and evil, until the 4th day of New Year to return back to the earth.
Chinese folk saying goes: “Send-off early, welcome late” (送神早，接神迟. song shen zao, jie shen chi) so that the Kitchen God need to be sent off in the morning, while to welcome at about four o’clock in the afternoon.
In the north area of China a legend also said that, on this day, Kitchen God would be down checking the household, therefore, it should be not away from home, and there is also a similar custom which forbids closing doors in case the god not able to get in.