The most important value and purpose of human life is happiness. Happiness can be expressed as a state of feeling full of energy and being in a good mood. Happiness is not a kind of concept that exists only in social life and gives people motivation for social life. Many factors in working life will also affect people's happiness or unhappiness. Happiness in business life occurs with many positive attitudes and behaviors such as positive social relationships, appreciation, love, achievement, as well as positive evaluation of the work and working conditions. Thanks to happiness subjective well-being in business life affects the well-being of the group, this is reflected in the work done. According to the 2019 happiness report published by the United Nations, the study examines the correlation between working hours and happiness by comparing the ten happiest countries and the ten unhappiest countries in the world in terms of their legal working hours. In the study, a case study research design, one of the qualitative research methods, was used. The obtained data were analyzed by the content analysis method.