Families engaged in business worshipped him on the second and sixteenth of each lunar month, and the second day of the second month is his birthday.
通常商家每月初二、十六（農曆）都要拜他，謂之「做牙」，農曆二月初二是土地公生日，是為「頭牙」，十二月十六日則為「尾牙」。