The article is focused on the relationship between the structure of psychological time and the structure of an individual. The idea of the relativity of time, typical for the science in the twentieth century, is analyzed and a differentiated study of psychological time and mental age of the various structural elements of personality is justified . The author emphasizes the need for a systematic approach in both theoretical and empirical studies of psychological time of the individual. Possible structure of the functional dynamics of psychological time of an individual is discussed.