Impulsivity is consistently linked to various problematic behaviors, including aggression, substance abuse, pathological gambling, risky driving, and numerous psychopathological disorders such as attention deficit hyperactivity disorder and personality disorders. This study aims to investigate the relationship between self-reported impulsivity, measured by the Behavioral Inhibition/Behavioral Activation Scales, and emotional states (pleasant, unpleasant, or neutral), in the context of time estimation deviations. A time estimation task was administered to 129 adult participants (88 females) from the community to assess this deviation. The findings reveal that participants underestimated time across all emotional conditions, enhancing our understanding of how impulsivity relates to time perception. Therefore, it is crucial to continue neuropsychophysiological research on impulsivity to explore its causes, manifestations, and connections with other aspects of cognitive and affective functioning. This research will lead to a more precise definition and comprehensive understanding of impulsive behavior.