California Alternative Workweek Schedules and Daily Overtime

California alternative workweek schedules let a group of employees agree, by a two-thirds secret-ballot vote, to work shifts of up to ten hours a day without triggering daily overtime — as long as the total stays within forty hours a week and the employer follows the election, filing, and notice steps in Labor Code Section 511.¹ The usual payoff is a shorter workweek, most often four ten-hour days. The catch is that every piece of the process matters, and a shortcut anywhere in it can void the schedule and turn every ninth and tenth hour into back pay.

What Schedules Are Allowed

The statutory ceiling is ten hours a day and forty hours a workweek. Within that, the two common patterns are a four-day, ten-hour schedule and a 9/80 schedule — eight nine-hour days and one eight-hour day over two workweeks, with every other Friday off.¹ A shift cannot exceed ten hours and a week cannot exceed forty.

An employer can also put a menu of schedules to a vote instead of a single fixed pattern. Under that approach, each employee picks from the pre-approved options — including a traditional eight-hour day — and can switch weekly with the employer’s agreement.¹

Every alternative workweek attaches to a specific “work unit.” Under the Industrial Welfare Commission wage orders, a work unit can be a division, department, job classification, shift, physical location, or any clearly identifiable subdivision, and it can be as small as a single employee if the grouping reflects genuine organizational lines.² Work units cannot be drawn to engineer a favorable vote.

How Employees Vote to Adopt One

An employer proposes the schedule; employees decide. The process is prescribed step by step, and missing a step voids the result.

Written Disclosure and Pre-Vote Meeting

The employer starts with a written proposal identifying the affected work unit and the schedule on offer. That is followed by a detailed written disclosure of how the change would affect wages, hours, and benefits. At least fourteen days before the vote, the employer must hold a meeting where employees can ask questions.¹ The fourteen days give people time to think through how ten-hour days affect childcare, commutes, and second jobs before they cast a ballot.

The Two-Thirds Secret Ballot

After the disclosure period, the employer holds a secret ballot election. The proposal passes only if at least two-thirds of the employees in the work unit vote yes.¹ A simple majority is not enough. The secret ballot exists so supervisors cannot pressure votes, and every eligible employee must have access to it.

Filing With the State and Waiting Thirty Days

Winning the vote is not the finish line. The employer must report the final tally to the Division of Labor Standards Enforcement within thirty days of the election.³ The filing becomes a public record and is the employer’s proof in any audit.

Employees cannot be required to work the new schedule until at least thirty days after the final results are announced.⁴ The new schedule also has to be posted where affected employees can see it.

When Overtime Still Has to Be Paid

The whole point of Section 511 is that hours nine and ten on a scheduled day are paid at straight time. Section 510’s ordinary daily overtime rule — time-and-a-half after eight hours — gives way for employees on a properly adopted alternative schedule.⁵ Everything past that scheduled shift, though, comes with a premium.

Extra Hours on a Scheduled Day

If you were scheduled for ten hours and end up working eleven, the eleventh hour pays time-and-a-half. Any hour past twelve in a single day pays double time.¹ Weekly overtime still applies after forty hours at time-and-a-half. An employer cannot average hours across weeks to dodge the daily premium, and an employee volunteering to stay late does not waive it.

Working on an Unscheduled Day

This is where the math most often goes wrong. On a four-ten schedule, if the employer asks you to come in on a fifth day, the first eight hours on that unscheduled day pay time-and-a-half. Every hour past eight pays double time.⁶ The alternative workweek exemption does not apply to a day you were not scheduled to work. Any employer paying regular rate for the first eight hours of an unscheduled day is building a wage claim.

Employees Who Cannot Work the Longer Days

The two-thirds vote binds the work unit, but it does not force every individual into ten-hour shifts. For any employee who voted in the election and cannot work the longer days, the employer must make a reasonable effort to find a schedule of no more than eight hours a day.¹ For employees hired after the election, the statute uses softer language: the employer “shall be permitted” to accommodate an eight-hour schedule.

Two federal-law tracks sit on top of that. If the alternative schedule conflicts with a sincerely held religious belief or practice, Section 511(d) requires the employer to explore reasonable alternatives, and Title VII requires schedule changes and other accommodations for religious observances unless they impose a substantial burden.⁷ Employees do not have to use particular words or file anything in writing; telling the employer about the conflict starts the interactive process.

An employee whose disability makes extended shifts medically inadvisable has a separate route under the Americans with Disabilities Act, which requires employers of fifteen or more to provide reasonable accommodations that can include a modified schedule.⁸ In practice that often means keeping the employee on eight-hour days while the rest of the unit runs ten-hour shifts. The employer does not have to grant the employee’s preferred accommodation, but does have to engage in a real back-and-forth.

Meal and Rest Breaks on a Ten-Hour Shift

Longer shifts pull in extra break obligations. California requires a second thirty-minute meal period when an employee works more than ten hours in a day. A ten-hour shift that ends on time does not trigger it, but a shift that runs even a few minutes past ten does. If the total stays at or below twelve hours and the first meal period was taken, the second can be waived by mutual agreement.⁹

Rest breaks follow the standard rule: ten paid minutes for every four hours worked, or major fraction of four. A ten-hour shift means at least two rest breaks; a twelve-hour shift means three. Letting a ten-hour shift drift past its end without accounting for the second meal period stacks meal-period penalties on top of overtime.

Ending or Repealing the Schedule

An alternative workweek is not permanent. Employees can petition for a repeal election, and if the repeal passes, the work unit goes back to standard eight-hour days and standard daily overtime. The employer can also end the arrangement on its own without a new election, provided it gives reasonable advance notice.

One protection carries through every change: the employer cannot cut an employee’s regular hourly pay rate because an alternative workweek was adopted, repealed, or invalidated.¹ The rate you were earning before the change stays.

What a Botched Election Costs

A defective process does not just create a paperwork problem. It voids the schedule retroactively. If the employer skipped the written disclosure, failed to hold the pre-vote meeting at least fourteen days out, or ran something short of a proper secret ballot, the election is void.⁴ With no valid election, there is no alternative workweek, and every hour past eight in a day reverts to Section 510 overtime — time-and-a-half for hours nine through twelve, double time after twelve.⁵

The exposure adds up fast. A four-ten schedule run for a year without a valid election means two hours of overtime premium for every employee, every scheduled day, across the whole year. Affected employees can also recover liquidated damages equal to the unpaid wages, plus interest.¹⁰ The defense is documentation. Keep the written disclosure, meeting sign-in sheets, ballots, vote tallies, DLSE filing receipt, and posted schedule notices in a file that can survive an audit years later.

1
California Legislative Information. California Code Labor Code LAB 511
2
California Department of Industrial Relations. IWC Wage Order 5
3
California Department of Industrial Relations. Alternate Workweek Elections
4
Legal Information Institute. California Code of Regulations Title 8 Section 11110
5
California Legislative Information. California Labor Code 510
6
California Department of Industrial Relations. Exceptions to the General Overtime Law
7
U.S. Equal Employment Opportunity Commission. Fact Sheet on Religious Accommodations in the Workplace
8
U.S. Equal Employment Opportunity Commission. Work at Home/Telework as a Reasonable Accommodation
9
California Department of Industrial Relations. Meal Periods
10
California Legislative Information. California Code Labor Code LAB 1197.1