How to Calculate Holiday Pay for Part-Time Employees

To calculate holiday pay for part-time employees, multiply a prorated share of the holiday hours your full-time staff receive by the employee’s hourly rate. Two methods do the prorating: the pro-rata method, which uses the ratio of the worker’s weekly hours to a standard full-time week, and the average hours method, which uses actual hours worked over a recent look-back window. Before running either calculation, remember that no federal law requires private employers to offer holiday pay in the first place, so every number starts with what the employer’s own policy or contract promises.¹

Start With Whether the Employee Is Eligible

The Fair Labor Standards Act does not require pay for time not worked, and that includes holidays.¹ Whether a part-time worker gets holiday pay is a matter of agreement, whether that lives in an employment contract, a collective bargaining agreement, or a company handbook. Federal law also doesn’t require a premium rate for working on a holiday, though some states do.²

Where holiday pay is offered, eligibility rules typically include a probationary period of 60 to 90 days, a minimum weekly-hours threshold, and permanent (not seasonal or temporary) classification. Many policies also require the employee to work their last scheduled shift before the holiday and their first scheduled shift after it. Missing either one usually forfeits the pay. Whatever criteria you use, apply them consistently across similarly situated workers.

Three Numbers You Need Before Calculating

You need the employee’s current hourly rate, their typical work schedule, and the number of holiday hours a full-time employee receives at your company. Pull the hourly rate from payroll or the signed offer, and confirm it’s current.

For a fixed schedule, the weekly hours are already known. For fluctuating schedules, pull time records from a representative period. Four weeks is a common look-back; some employers use 12 or 52 weeks for highly variable work. The window should reflect what the person normally works, not a favorable or unfavorable stretch.

Then define the full-time holiday benchmark. At most companies, a full-time employee gets eight hours of holiday pay per holiday. That figure is the denominator for the pro-rata method below.

The Pro-Rata Method for Fixed Schedules

The pro-rata method suits employees whose weekly hours don’t change. Divide the employee’s contracted weekly hours by a standard full-time week (usually 40), then multiply that ratio by the full-time holiday hours.

A part-time cashier working 20 hours a week has a ratio of 20 ÷ 40 = 0.5. If full-time staff get eight hours of holiday pay, the cashier gets 0.5 × 8 = four hours. At $16 an hour, that’s $64.

The math scales cleanly. Twenty-five weekly hours produce a 0.625 ratio and five holiday hours. Thirty hours produce a 0.75 ratio and six holiday hours. The approach is easy to explain on a pay stub, which matters when an employee questions the figure.

The Average Hours Method for Irregular Schedules

Retail, food service, and healthcare workers often have schedules that shift week to week. The pro-rata method doesn’t fit them. Instead, total the hours worked during the look-back window and divide by the number of workdays in that window to get an average daily figure. Use that daily average as the holiday pay entitlement.

If an employee logged 64 hours across the past 20 workdays, the daily average is 3.2 hours. At $15 an hour, the holiday pay is $48.

Choose the look-back window with care. Four weeks works for minor fluctuations. Someone whose hours swing between busy and slow seasons may need a longer window so the result isn’t skewed by whichever stretch happened to precede the holiday. Document the window you picked and why.

Handling Multiple Pay Rates

Part-time workers who cover two roles at different rates need a blended figure. Federal regulations call for a weighted average: add up total earnings across all rates during the workweek, then divide by total hours worked.³ Someone who works 10 hours at $14 and 10 hours at $18 in the same week earned $320 over 20 hours, a blended rate of $16. That $16 is the rate you use to price out the holiday hours.

Don’t Let Holiday Pay Trigger Overtime by Mistake

This is where payroll errors cluster. When a part-time employee is paid for a holiday they didn’t work, those paid hours do not count toward the 40-hour overtime threshold under the FLSA.⁴ Overtime is calculated on hours actually worked, and paid time off is not hours worked.⁵

Suppose a part-timer receives four hours of holiday pay on Wednesday and works 38 actual hours the rest of the week. The paycheck covers 42 hours, but only 38 were worked. No overtime is owed. Had the employee actually worked 42 hours, two hours of overtime would be due at one and a half times the regular rate.

Holiday pay itself is excluded from the “regular rate” used to calculate overtime premiums, provided it represents pay for time not worked rather than a production bonus.⁶ When an employee works a holiday and receives regular pay for those hours plus a separate holiday payment, the holiday payment can still be excluded from the regular rate as compensation for forgoing leave.⁷

Taxes and Payroll Entry

Holiday pay is taxed like any other wage. Withhold federal income tax and both halves of FICA: 6.2% for Social Security up to the 2026 wage base of $184,500 and 1.45% for Medicare with no cap, with the employer matching on its side.⁸⁹

If the holiday pay rides along with a regular paycheck, withhold income tax using the employee’s W-4 information as usual. If it’s paid as a separate lump sum, such as an annual payout for unused holiday entitlement, it may qualify as a supplemental wage, and you can withhold federal income tax at the flat 22% rate instead of using the standard wage-bracket tables.⁸

In your payroll software, use a distinct earning code for holiday pay. It doesn’t change the tax math, but it keeps the pay stub readable and makes audits easier. The employee’s stub should show holiday hours credited and the dollar amount separately from regular earnings.

Keep the Records for at Least Four Years

Two federal standards overlap here. The FLSA requires payroll records to be preserved for at least three years from the last date of entry.¹⁰ The IRS requires employment tax records for at least four.⁸ Keeping holiday pay records for four years satisfies both. Store the underlying inputs too: the look-back period, the method used, and the formula that produced each figure.

If a Promised Holiday Payment Isn’t Made

Because private-sector holiday pay is contractual, the remedy tracks where the promise lives. A guarantee in an employment contract or collective bargaining agreement supports a breach-of-contract claim. A handbook can support the same theory in states that treat it as an implied contract.

Many states also classify promised but unpaid holiday pay as unpaid wages. An employee in those states can file a wage claim with the state labor department, and penalties for nonpayment can include fines and liability for the employee’s legal costs on top of the back pay. Applying eligibility rules inconsistently, paying holiday benefits to some workers while withholding them from similarly situated colleagues, can also expose the employer to discrimination claims. Written eligibility criteria and documented calculation methods are the first line of defense if a dispute reaches a regulator or a court.

1
U.S. Department of Labor. Holiday Pay
2
eCFR. 29 CFR 778.219 – Pay for Forgoing Holidays and Unused Leave
3
eCFR. 29 CFR 778.115 – Employees Working at Two or More Rates
4
U.S. Department of Labor. FLSA Hours Worked Advisor
5
U.S. Department of Labor. Handy Reference Guide to the Fair Labor Standards Act
6
U.S. Department of Labor. Fact Sheet 56A – Overview of the Regular Rate of Pay Under the Fair Labor Standards Act (FLSA)
7
eCFR. 29 CFR 778.219 – Pay for Forgoing Holidays and Unused Leave
8
Internal Revenue Service. Publication 15 (2026), (Circular E), Employer’s Tax Guide
9
Social Security Administration. What Is the Current Maximum Amount of Taxable Earnings for Social Security
10
eCFR. 29 CFR Part 516 – Records to Be Kept by Employers