The purpose of this study was to determine the effect of time management and motivation on procrastinationwith self-efficacy as an intervening variable in master's degree students who do their thesis while working. The method used in this research is the quantitative method with incidental sampling technique. The subject of this studyfound 50 master's students who worked while studying in 18 hotels in the city of Semarang. The results showed a significant negative effect between time management on procrastination, then the effect had no significant effect on procrastination, individual motivation had no effect in reducing or increasing procrastination behavior in Masters or Masters level students, there was a significant effect on self-efficacy on procrastination

Keywords : Time Management, Motivation, Procrastination, Self-Efficacy, Master's Degree Students, Thesis