Federal civilian employees follow a biweekly pay schedule: every pay period runs 14 days from Sunday through Saturday, and payday lands in the second week after the period closes. The federal employee pay schedule for 2026 is unusual, though, because the calendar produces 27 pay periods instead of the normal 26. That single extra paycheck reshapes how you should set your Thrift Savings Plan contributions and changes what your fixed deductions cost you over the year.
How the Biweekly Cycle Works
Federal statute sets each pay period at two administrative workweeks, or 14 consecutive calendar days, with a standard 80-hour expectation. Annual salaries convert to hourly rates by dividing by 2,087, and a biweekly gross paycheck is that hourly rate times 80.1Office of the Law Revision Counsel. 5 USC 5504 – Biweekly Pay Periods; Computation of Pay
Once Saturday closes the pay period, agencies spend several days verifying timesheets, calculating any overtime or premium pay, and submitting payroll data. The official payday lands in the second week that follows. Electronic fund transfers often arrive a day or two before that official date. Some credit unions release deposits as soon as they see the incoming Treasury transfer, which can put money in your account on a Wednesday or Thursday instead of Friday.
Four shared service providers handle payroll for nearly all federal civilian agencies: the National Finance Center at USDA, the Interior Business Center, the General Services Administration, and the Defense Finance and Accounting Service.2U.S. Office of Personnel Management. Who Are the Providers That Are Assessed by the HR LOB All four use the same biweekly structure, but each runs its own processing timeline. That’s why a colleague at a different agency can see a deposit a day earlier or later than you, even though you both worked the same pay period.
Why 2026 Has 27 Pay Periods
A normal year has 26 biweekly pay periods because 14 days times 26 equals 364, one day short of a full year. That leftover day (two in a leap year) slowly pushes the pay calendar forward until an extra pay period fits inside the calendar year. It happens roughly every 11 years. The last time was 2020, and it’s back in 2026.3General Services Administration. 2026 Payroll Calendar
GSA’s 2026 payroll calendar shows Pay Period 27 ending December 26, 2026, with a final EFT date of December 31. Three paychecks land in both January and December 2026 rather than the usual two. You’re not earning more money. Your annual salary is the same figure divided across 27 installments instead of 26, so each gross paycheck comes in slightly smaller than it would in a normal year.
The trouble shows up wherever a deduction is set as a flat dollar amount per paycheck. That math was built around 26 periods. Add a 27th and things drift, sometimes expensively.
Reset Your TSP Contribution for the 27th Period
The IRS elective deferral limit for the Thrift Savings Plan in 2026 is $24,500. Employees age 50 and older can add up to $8,000 in catch-up contributions, for a total employee ceiling of $32,500.4Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026; IRA Limit Increases to $7,500
In a 26-period year, hitting the standard limit means contributing about $942 per paycheck. Keep that same $942 into 2026 and you’ll reach $24,500 during Pay Period 26 and contribute nothing in Pay Period 27. That matters because FERS employees receive agency matching contributions only in pay periods when they actually contribute at least 5% of basic pay. No contribution, no match on that final check.5U.S. Government Publishing Office. Benefits – New Employees – Thrift Savings Plan
Divide $24,500 by 27 and you get about $907. Setting the per-period amount to $907 spreads deferrals across all 27 checks and keeps the agency match flowing through the last paycheck of the year. If you’re 50 or older, the spillover mechanism automatically redirects excess into the catch-up bucket, so the match continues past $24,500. Employees under 50 don’t have that safety net, which is why recalculating the per-period figure is worth doing before the first check of the year hits.
The match itself works this way: your agency contributes 1% of basic pay to your traditional TSP account whether you contribute or not. Above that, it matches dollar-for-dollar on the first 3% you contribute and 50 cents on the dollar for contributions between 3% and 5%. Getting the full match requires contributing at least 5% every pay period.5U.S. Government Publishing Office. Benefits – New Employees – Thrift Savings Plan
Holidays That Shift Your Pay Date
Federal law recognizes 11 legal public holidays: New Year’s Day, Martin Luther King Jr. Day, Washington’s Birthday, Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, and Christmas.6Office of the Law Revision Counsel. 5 USC 6103 – Holidays When a scheduled payday falls on one of these dates, the deposit generally moves to the preceding business day.
For a standard Monday-through-Friday employee, a holiday on Saturday is observed the Friday before.6Office of the Law Revision Counsel. 5 USC 6103 – Holidays A Sunday holiday is observed the following Monday under Executive Order 11582.7National Archives. Executive Order 11582 Either situation can pull an EFT date a day or two earlier. In 2026, July 4 falls on a Saturday, so Friday July 3 is the observed holiday and nearby payroll processing shifts to match.
What Comes Out of Every Paycheck
Gross biweekly pay is the starting point. The deposit that actually lands in your account reflects a stack of mandatory and voluntary deductions taken every pay period.
- FERS retirement: most employees hired in 2014 or later contribute 4.4% of basic pay. Those hired before 2013 contribute 0.8%; those hired during 2013 contribute 3.1%.8Congress.gov. House Oversight and Government Reform Reconciliation Committee Print Pursuant to H.Con.Res. 14
- FEHB health insurance: premiums are deducted biweekly, with the government paying the larger share and you paying the rest.9U.S. Office of Personnel Management. Premiums
- TSP contributions: whatever percentage or dollar amount you’ve elected, deducted every pay period.
- Federal and state income tax: withheld based on your W-4 elections. A 27th paycheck can slightly reduce per-period withholding because the same annual salary is split across more installments.
- Social Security and Medicare: 6.2% for Social Security (up to the annual wage base) and 1.45% for Medicare.
In a 27-period year, any deduction set as a fixed dollar amount per paycheck (FEHB premiums being the obvious one) costs you one extra payment across the year. That additional premium is easy to miss when you’re building a monthly budget.
Pay During a Government Shutdown
During a lapse in appropriations, federal employees are either furloughed or designated as excepted and required to keep working without pay. Either way, paychecks stop. Agencies can process payroll for work completed before the shutdown began, but no new obligations can be incurred under the Antideficiency Act until funding returns.
The Government Employee Fair Treatment Act of 2019 guarantees that all affected federal employees, furloughed or excepted, receive retroactive pay as soon as possible after the shutdown ends.10Congress.gov. Government Employee Fair Treatment Act of 2019 Before this law, retroactive pay took a separate act of Congress each time. The guarantee is now permanent for any lapse beginning on or after December 22, 2018. “As soon as possible” can still translate to a delayed paycheck while agencies restart payroll systems, so a cash buffer is practical advice for anyone on the federal payroll.
Finding Your Exact Pay Dates
The reliable way to confirm the dates that apply to you is through your payroll provider’s published calendar. GSA publishes a detailed 2026 payroll calendar listing pay period end dates, EFT dates, and official pay dates.3General Services Administration. 2026 Payroll Calendar The National Finance Center posts downloadable PDF calendars by year.11National Finance Center. Pay Period Calendars FSAFEDS also lets you look up payroll schedules by employing agency if flexible spending timing matters to you.12FSAFEDS. Payroll Schedules
Watch two dates on any calendar: the EFT date, when Treasury releases funds electronically, and the official pay date, when the payment is formally due. Your bank may credit the deposit on either day or even a day earlier, depending on how quickly it processes incoming transfers. Credit unions serving federal employees often post deposits a full business day faster than large commercial banks.
For account changes, tax withholding updates, and access to pay statements, agencies serviced by NFC or GSA generally use Employee Express, which covers departments including Interior, NASA, the Social Security Administration, and the SEC among others.13Employee Express. Employee Express DFAS-serviced employees use myPay for leave and earnings statements, tax documents, and withholding changes.14Defense Finance and Accounting Service. myPay System Information If you don’t know which portal covers you, your HR office or onboarding paperwork will identify it.