Daylight Saving Time (DST) is often portrayed as a simple, beneficial practice designed to save energy and provide more daylight for activities. However, the reality is far more complex and has roots in a mix of wartime necessity and economic interests. Originally introduced during World War I, DST's primary goal was to conserve fuel by minimizing the need for artificial lighting during the longer daylight hours. Yet, once the war ended, many people found that the time change disrupted their schedules and made mornings darker, leading to considerable public resistance and calls for repeal. Despite the initial pushback, DST was revived in the 1970s amidst an energy crisis caused by spiking oil prices. Politicians supported DST again, but not only for energy conservation. Increased daylight in the evenings encouraged more shopping, effectively boosting economic activity and profits for retailers and businesses. This commercial motivation played a significant role in continuing and expanding DST policies, often overshadowing the original energy-saving claims. Unfortunately, the commonly held belief that DST provides an unequivocal benefit to society remains a myth. While it may offer more daylight for leisure in the evenings, it can also result in sleep disruption, increased health risks, and confusion due to time shifts. Understanding the true reasons behind DST—the interplay of economics, politics, and social preferences—helps demystify this contentious practice. It also highlights the importance of questioning widely accepted narratives and considering the broader impacts of policies that affect people’s daily lives.