The ceremony of offering sacrifices to the sea begins at 0: 00 on the 13th day of the first month. According to relevant public information, the ceremony of offering sacrifices to the sea began at 13: 00 on the first month and lasted for two hours. Burn incense and paper, set off firecrackers and fireworks, and pay homage to the sea. The 13th day of the first lunar month is the traditional birthday of the sea. On this day, fishermen in Haiyang, Shandong Province will set off firecrackers, dance yangko and carry out sacrificial activities at sea every year, hoping that the weather will be good and the fishing industry will have a bumper harvest.