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by Vanessa M. Greene, J.D.; Employment Law Subject Matter Expert, CalChamber
When it comes to overtime pay, California plays by its own rules. Unlike federal law, which only requires overtime after an employee has worked 40 hours in a workweek, California mandates overtime after eight hours in a workday and double time after twelve . Additionally, employees who work seven consecutive days in a defined workweek must be paid overtime.
It’s important for employers to clearly define their workweek and workday, because California's overtime rules depend heavily on how many hours are worked within each defined workday and workweek. Not following California’s overtime-related laws can lead to costly mistakes if overlooked. Understanding how and when overtime applies, and to whom, is essential for maintaining compliance and avoiding wage claims, penalties or lawsuits.
Remember, an employee must be paid for overtime even if the extra work was not approved or was against company policy. Employers may, however, discipline employees for violating work rules and/or company policy.
Read on for some commonly asked questions related to overtime, like who qualifies for it, how to calculate and other requirements employers must follow.
Who Qualifies for Overtime?
All nonexempt employees are entitled to overtime pay. Under California law, the default assumption is that an employee is nonexempt unless they clearly meet the salary and job duties tests of an exempt position. If unsure, consult with legal counsel to review your determination.
Under California law, any exemptions are narrow and highly specific — simply paying an employee a salary is not enough to exempt them from wage and hour laws. To qualify as exempt, employees must meet both a salary threshold and a duties test. For example, executive, administrative and professional exemptions require that the employee:
If just one of the above exemption criteria is not met, the employee must be treated as nonexempt and paid overtime accordingly.
What Defines the Workweek and Workday in California?
Before calculating overtime, employers must clearly define both the workweek and workday — two foundational aspects of California wage and hour compliance.
A “workweek” is a fixed, recurring period of seven consecutive 24-hour days, starting on the same day each week. It doesn’t have to follow the calendar week and can differ by employee group but must be applied consistently and communicated clearly.
A “workday” is any consecutive 24-hour period that begins at the same time each calendar day.
The California Division of Labor Standards Enforcement (DLSE) presumes a Sunday through Saturday workweek and a 12:01 a.m. – midnight workday, but employers may define different schedules if applied consistently.
An employer can make its own workweek designations but they must be based on legitimate business needs — meaning employers cannot structure them primarily to avoid paying overtime. Once a workweek is set, it can only be changed if the change is meant to be permanent and not used to avoid overtime payment. For workday designation, if an employer sets the workday to start at 12:01 a.m., any hours worked within that 24-hour span count toward that workday — even if the employee's shift starts late at night and ends the next morning. Like workweeks, workdays can differ by employee group and once established, may be changed only if the change is intended to be permanent and is not intended to evade overtime obligations.
What Are Daily Overtime Requirements?
California requires overtime be paid not just based on an employee’s hours worked each workweek but also hours worked each workday. Nonexempt employees must be paid:
These requirements apply even if the employee does not exceed 40 hours in the workweek. For example, if an employee works 10 hours on Monday, they are owed two hours of overtime at 1.5 times their “regular rate of pay” for that workday — even if they only work 30 total hours for the workweek.
What Are Weekly Overtime Requirements?
In addition to daily overtime, California requires employers to pay employees 1.5 times their regular rate of pay for all hours worked over 40 in a single workweek. However, only straight-time hours count toward the 40-hour weekly threshold. “Straight-time” is normal working hours that are paid at the employee’s regular hourly rate. In other words, straight-time hours are not paid at an overtime rate.
This means that hours which were already paid at an overtime or double-time rate — such as hours beyond eight in a workday — do not count toward reaching the 40-hour weekly threshold. In other words, the 40-hour weekly limit is based on non-overtime hours only.
For example, an employee works:
This means that the employee worked a total of 44 hours in the workweek. However, only 40 of those are straight-time hours (eight each on Mon–Fri). The four overtime hours (two on Monday, two on Tuesday) do not count toward the 40-hour weekly threshold because the employee was already paid daily overtime for them. So, in this case, the employee would not receive additional overtime based on the weekly rule, because they did not work more than 40 straight-time hours within the workweek.
What if an Employee Works Seven Consecutive Days in a Workweek?
California has a unique requirement when an employee works seven consecutive days in a single workweek. If this occurs, the employee is entitled to additional overtime compensation on the seventh day, even if their total hours remain below 40 for the week.
On the seventh consecutive day of work in a defined workweek, the employee must be paid:
The seventh-day overtime rule applies only when an employee works at least some hours on all seven days of the same employer-defined workweek. Accordingly, an employer’s definition of what is a workweek matters.
This rule applies only to the seventh consecutive day within one workweek — not to seven consecutive days that stretch across two workweeks (e.g., working the last three days of one week and the first four of the next).
How Do I Calculate Overtime Correctly?
Properly calculating California overtime requires careful tracking and an understanding of how various rules interact. Employers must analyze:
To ensure compliance, payroll systems must be equipped to identify and apply the correct pay rates for daily overtime, weekly overtime and double time, based on how hours are distributed across the employer-defined workday and workweek. Compliance hinges not only on the total number of hours worked, but also on when those hours are worked.
Another critical component of accurate overtime calculation is understanding an employee’s “regular rate of pay.” This rate includes not only an employee’s base hourly wage but also non-discretionary bonuses, commissions and other forms of compensation. Overtime must be calculated based on this comprehensive rate — not just the employee’s hourly rate.
In general, an employee’s regular rate of pay for a workweek is calculated by adding all compensation received during the week — excluding certain types of pay such as discretionary bonuses or gifts — and dividing that total by the number of hours worked.
If an employee is paid solely on an hourly basis at a single hourly rate of pay with no additional compensation, the regular rate is the same as their hourly wage. However, when employees receive different rates of pay (e.g., minimum wage for travel time), or other forms of pay — such as production bonuses, commissions or shift differentials — their regular rate may be higher than their base hourly wage.
Employers who provide employees with both hourly wages and other compensation should consult legal counsel to ensure their regular rate is properly calculated for overtime purposes.
Overtime Violations and PAGA Claims
California’s Private Attorneys General Act (PAGA) allows employees to seek civil penalties against employers for California Labor Code violations — including overtime violations. Even minor or technical overtime errors, such as miscalculating the regular rate of pay or failing to pay for “off-the-clock” work that results in overtime, can expose a business to a representative PAGA claim.
Unlike traditional wage claims, PAGA actions can affect “all aggrieved employees,” not just the individual who brings the claim. That means a single miscalculation can snowball into a company-wide liability. Penalties start at $100 per employee per pay period for the first violation and $200 for each subsequent pay period. These penalties add up fast, especially if the issue went undetected for months or years.
What makes PAGA claims especially risky is that they are not limited to unpaid overtime. They often include additional penalties tied to related violations, such as inaccurate wage statements, failure to keep required records or untimely payment of wages. In many cases, overtime violations become the entry point into much broader litigation under PAGA.
To reduce exposure, employers must ensure overtime is calculated accurately, paid promptly and properly recorded. Regular audits of classification and payroll practices, along with clear policies and manager training, are employers’ best defense.
Resources for Employers
HRCalifornia offers many overtime-related resources for employers, including:
Additionally, CalChamber offers a PAGA Wage and Hour Compliance Toolkit containing more than 60 digital and physical resources designed to assist employers in meeting their wage and hour requirements under the California Labor Code and applicable wage orders — including resources employers can use to take “reasonable steps” towards compliance that may reduce potential PAGA penalties.
CalChamber also offers wage and hour related training to help supervisors stay compliant: