One Half Market is a small market that focuses on individual and small amount agricultural products. It also encourages artistic creations with natural elements that related with the products. They also held agricultural-related lectures in the market. To name as One Half Market, one reason comes from the time that three organizers spent, they use their off-work time, also consider half working time of the day, to organize the market works. And the other reason comes from the core concept of the organizers which are human beings must care about the social and natural issues that affect deeply to our lives. This concept also develops the slogan, Half of Me Returns to the Nature, Half of me Based on the Society. One Half Market is held four times a year according to four solar terms that are Spring Equinox, Summer Solstice, Autumnal Equinox, and Winter Solstice.