Chron Koncentracija i vrijeme izlučivanja mnogih hormona ovisni su o dobi.otype distribution of adolescent psychiatric patients and its dependence on the character traits Objective: The main aim of this research was to examine adolescent psychiatric patients about their chronotype and character traits and to establish the correlation between the mentioned variables. Study design: Cross – sectional study. Participants and methods: Participants were adolescents of both sexes aged 11 to 19 who were referred to ambulatory treatment or hospitalization at the Department of Child and Adolescent Psychiatry at Osijek Clinical Hospital Center in April and May 2017. The study included 35 participants. The data were collected by a questionnaire that consisted of demographic variables scales, morning and evening scales and IPIP 50 juniors. The psychiatric diagnosis data were taken from medical records. Results: There is no significant correlation between the age of the participants and the sex with the chronotype. Morning chronotype has participants with early childhood emotional disorders (F93), feeding disorder (F50), depressed episodes (F32), and mixed behavioral emotion disorder (F92). The highest rating is for the domain of convenience, and the smallest in the domain of emotional stability, with significantly less grade sin girls. Age does not have a significant impact on the character line. The extraversion is in a negative relationship with conscientiousness and positive with emotional stability. Comfort is significantly associated with conscientiousness and significantly negative with emotional stability. Emotional stability is negatively related to the intellect Conclusion: Among the adolescent psychiatric participants (N = 35) who completed our survey, there is no dominant morning or evening chronotype. The chronotype does not have a significant impact on the character line. Yet, in our research, is a small sample of participants. This analysis would be interesting to repeat, but with a much larger sample of participants.