The 9-9-6 work schedule—working from 9 a.m. to 9 p.m., six days a week—has long been associated with Chinese tech companies, but now it’s finding its way into U.S. workplaces. This grueling 72-hour week leaves little room for rest or balance, often leading to burnout, chronic stress, and even serious health risks. In fact, researchers warn that employees working more than 54 hours weekly face significantly higher risks of heart disease and “karoshi,” the Japanese term for death from overwork. Despite growing awareness of these dangers, some U.S. businesses are quietly embracing the 9-9-6 culture.
The Growing Trend in San Francisco and Beyond
Recent data suggests that the 9-9-6 work culture is no longer just talk—it’s measurable. Ramp’s analysis of corporate spend data shows increased Saturday activity in San Francisco, reflected in late-night restaurant and delivery receipts. This pattern indicates that tech employees—and increasingly workers across other sectors—are clocking extra hours on weekends. While the trend is most visible in the Bay Area, smaller footprints are also emerging in New York and other tech hubs. What began as a hallmark of AI startups now appears to be spreading into broader business ecosystems.
The Impact of 9-9-6 on Work-Life Balance
Experts describe the 9-9-6 work schedule as corporate abuse, arguing that it undermines productivity, innovation, and employee well-being. Long work hours may look like dedication on the surface, but they often erode creativity and decision-making over time. While high-profile leaders such as Elon Musk, Tim Cook, and Marissa Mayer are known for extreme work routines, their examples are not sustainable for the majority of workers. The toll on mental and physical health highlights why long-hour cultures remain deeply problematic, even if they appear to drive short-term performance.
Why Companies Still Push 9-9-6
So why do businesses adopt the 9-9-6 schedule despite its risks? For many fast-moving startups, the pressure to outpace competitors often overshadows concerns about employee health. As Ramp’s economist Ara Kharazian explains, the Bay Area has long attracted people obsessed with perfecting their craft—in this case, building companies at breakneck speed. Yet the rise of the 9-9-6 culture in San Francisco raises pressing questions: Will relentless overwork help companies succeed, or will it create a cycle of burnout that ultimately slows progress? For workers, the lesson is clear—navigating this culture requires boundaries, resilience, and awareness of its long-term costs.
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