This document provides an overview of the psychology of time. It discusses time as both an objective measurement but also a subjective psychological construct. Several studies on the psychology of time and how perception of time relates to emotional states and memory are mentioned. Theories on time perspective, attitude, and orientation are defined. Zimbardo and Boyd's work developing the Zimbardo Time Perspective Inventory is summarized, including findings on relationships between time perspectives such as past negative and indicators of well-being. The document also briefly touches on neurological approaches to the study of time perception.