Why do some companies have fiscal years that end in months other than December?

Companies choose non-December fiscal year-ends for several reasons: alignment with their business cycle (a ski resort with peak activity in winter might prefer a March 31 year-end), alignment with industry norms, or practical convenience for accounting and audit preparation. Many retailers use a January 31 fiscal year-end to capture the full holiday season within one year. The US government uses October 1 through September 30 to align with the federal budget process.

How does a fiscal year affect my quarterly estimated tax payments?

For most individual taxpayers and pass-through entities, quarterly estimated tax payment deadlines are set by the IRS on a calendar-year basis: April 15, June 15, September 15, and January 15. These deadlines apply regardless of your business's fiscal year. If your business has a non-calendar fiscal year, calculating estimated payments may require converting your fiscal year income to calendar-year periods -- another reason to work closely with a CPA if you use a non-standard fiscal year.

What is a '52/53-week fiscal year'?

A 52/53-week fiscal year always ends on the same day of the week (such as the last Saturday of December or the Saturday nearest to December 31) rather than on a fixed calendar date. This approach is popular with retailers because it ensures weeks are never split across fiscal years, making weekly and monthly comparisons consistent. The year is 52 weeks in most years and 53 weeks every five or six years to prevent calendar drift. It is a form of a fiscal year that requires IRS election.

When should I review my fiscal year choice?

Your fiscal year should be reviewed when you change your business entity type (for example, converting from a sole proprietorship to a corporation), when your business's seasonal pattern changes significantly, or when you pursue external financing that requires reporting aligned with investor or lender expectations. Changes to your fiscal year typically require IRS approval and can have tax consequences for the short period covered by the transition. Always consult your CPA before making any fiscal year changes.

Accounting

What is Fiscal Year?

Q: Can a freelancer choose a fiscal year other than the calendar year?

Most freelancers operating as sole proprietors or single-member LLCs are required to use the calendar year for tax purposes. S-corporations and partnerships generally must also use the calendar year unless they can demonstrate a business purpose for a different year-end and obtain IRS approval. C-corporations have the most flexibility to choose a non-calendar fiscal year. If you think a non-calendar year might benefit your business, consult a CPA before attempting to adopt one.

A fiscal year is a 12-month period used for accounting and tax purposes that doesn't necessarily align with the calendar year.

**A fiscal year** is any 12-month period that a business or government uses as its accounting and tax reporting year. Unlike the calendar year, which always runs from January 1 to December 31, a fiscal year can begin on any date and end 12 months later. For example, a business might choose a fiscal year running from July 1 through June 30 -- that would be referred to as fiscal year ending June 30, or FY 2025 if the year ends in June 2025. Many businesses align their fiscal year with their natural business cycle rather than the calendar year. A company with peak sales in November and December might choose a January 31 fiscal year-end so that the busy holiday season falls in the middle of the year rather than at the end, giving them time to complete year-end accounting after the operational rush subsides. Similarly, agricultural businesses often choose fiscal years aligned with their growing and harvest cycles. For most freelancers and sole proprietors in the United States, the fiscal year defaults to the calendar year (January 1 through December 31). Changing to a different fiscal year requires IRS approval for some entities and involves specific procedural requirements. Understanding the fiscal year concept helps you communicate with clients, CPAs, lenders, and vendors who may use different fiscal years in their reporting.

A fiscal year must be 12 consecutive months. Most businesses use either a calendar year or a 52/53-week fiscal year that ends on the same day of the week nearest to the end of a given month (for example, the Saturday closest to December 31). The fiscal year is the period covered by your annual financial statements and tax return. For federal tax purposes, most sole proprietors and single-member LLCs use the calendar year. C-corporations can choose any fiscal year-end they prefer when they first file. S-corporations and partnerships generally must use the calendar year unless they can demonstrate a business purpose for a different year-end. Changing a fiscal year after initial selection requires IRS Form 1128 for corporations or Form 1065 / 1120-S for pass-through entities. When a company's fiscal year does not match the calendar year, comparing results requires attention to which periods are being compared. A retailer with a January 31 fiscal year reports 'fiscal 2024' results covering February 2023 through January 2024 -- a period that overlaps two calendar years. This can create confusion when comparing to competitors on different fiscal years or to macroeconomic data reported on calendar years.

For the vast majority of freelancers and small business owners, the fiscal year is simply the calendar year -- January 1 through December 31. This alignment is the default for sole proprietors and the required period for most pass-through entities. Tax returns (Form 1040 with Schedule C) are filed for the calendar year, and quarterly estimated tax payments are tied to calendar-year deadlines. However, understanding fiscal years is important for several practical reasons. First, when you work with clients who are corporations with non-calendar fiscal years, their budget cycles, payment timelines, and contract renewals are often tied to their fiscal year-end, not the calendar year. A client on a June 30 fiscal year may want to finalize contracts and payments before June 30 -- not December 31. Second, if you operate through a C-corporation or have an S-corp that qualifies for a non-calendar year, choosing the right fiscal year-end can have strategic benefits. A December-busy business might choose a March 31 fiscal year-end so accounting work happens in the slower spring months. Third, if you ever pursue investors or lenders, they will ask which fiscal year you report on and compare your results to prior fiscal years, not calendar years. For small businesses with significant retail or seasonal activity, the timing of your fiscal year-end can affect how your financial statements look to outsiders. Ending your fiscal year at your seasonal peak (high inventory, high receivables) versus your seasonal trough (lower inventory, cash from holiday sales collected) presents very different balance sheet pictures.

The fiscal year and the calendar year are both 12-month accounting periods, but they differ in their start and end dates and the flexibility with which businesses can choose them. The calendar year is fixed: January 1 to December 31. For individuals, it is the required tax reporting period. For most small businesses operating as sole proprietors or pass-through entities, it is also the required or default period. Its main advantage is simplicity -- it aligns with personal tax returns, bank statements, and most government reporting. A fiscal year can start on any day and end 12 months later. Large corporations, universities, governments, and non-profits often use fiscal years that align with their operational or funding cycles. The US federal government, for example, uses a fiscal year from October 1 to September 30. Apple's fiscal year ends in late September. Many retailers use a January 31 fiscal year-end to capture the holiday season within one fiscal year. For a freelancer or small business owner choosing between a calendar year and a fiscal year (if eligible), the practical considerations are: alignment with your business's natural cycle, convenience for year-end accounting and tax preparation, and avoiding periods when your business is at peak operational intensity. For most freelancers, the calendar year is the right default -- it is simpler, aligns with personal taxes, and requires no IRS approval. If your business grows to a C-corp structure and you have a genuine reason for a non-calendar fiscal year, the choice becomes worth analyzing with your CPA. For S-corps and LLCs taxed as partnerships, the bar for IRS approval of a non-calendar year is high -- you must demonstrate a valid business purpose.

Whether your fiscal year follows the calendar or not, year-end financial management is critical. Here is a practical checklist: 1. Reconcile all accounts in the final month. Ensure your bank accounts, credit cards, and loan balances match your accounting records before the fiscal year closes. 2. Review accounts receivable. Send statements to clients with outstanding balances. Consider writing off uncollectable invoices to recognize a bad debt expense in the current year. 3. Record all year-end adjustments. Make accruals for expenses incurred but not yet billed, depreciation entries, prepaid expense amortization, and any other adjusting entries needed to present accurate financial statements. 4. Evaluate your tax position. With your CPA, review your estimated taxable income and consider accelerating deductions or deferring income if doing so reduces your tax liability. 5. Make retirement contributions before the deadline. For calendar-year businesses, SEP-IRA contributions can be made as late as the tax return due date (including extensions). Solo 401(k) elective deferrals must be elected by December 31. 6. Archive records from the closing year. Organize and digitally archive all supporting documents for the fiscal year before beginning the new year. This makes any future audit review significantly easier.

At fiscal year-end, having clean, complete invoicing records is essential. Eonebill.ai gives you a searchable, organized record of every invoice sent and payment received throughout the year -- making reconciliation fast and your year-end financial package accurate. The [free invoice generator](/free-tools/invoice-generator) ensures every transaction is documented from the start, so year-end is a review and reconciliation process, not a reconstruction project. When your CPA asks for annual revenue totals, outstanding receivables, and client payment histories, Eonebill.ai has the data ready. Explore [Eonebill pricing](/pricing) for Pro and Business plans that offer enhanced reporting and year-over-year financial comparisons -- exactly the data you need to make fiscal year-end analysis efficient and informative.

1. Confusing your fiscal year with the tax filing deadline. Your fiscal year is the 12-month period covered by your financial statements. Your tax filing deadline is separate (April 15 for calendar-year individuals, plus extension possibilities). The two concepts are related but not the same. 2. Starting a non-calendar fiscal year without IRS approval. For entities that require approval to use a non-calendar year, simply choosing to file on a different period without proper election or approval creates compliance problems. Check with your CPA before adopting a non-calendar fiscal year. 3. Missing year-end adjusting entries. Financial statements prepared without proper year-end adjustments -- depreciation, accruals, prepaid amortization -- are inaccurate and can mislead decisions made based on them. Year-end close requires specific accounting steps, not just running a report. 4. Not planning for tax payments around fiscal year-end. Quarterly estimated tax deadlines are tied to the calendar year for most individual taxpayers, even if your business uses a different fiscal year. Make sure estimated payment timing accounts for both your fiscal year tax position and the IRS payment deadlines. 5. Letting year-end financial preparation slip to March or April. Many freelancers effectively close their year in April when they file taxes. This means four months of potential planning opportunities -- retirement contributions, business decisions, and financial analysis -- are missed. Aim to complete your annual financial review by January 31.

Explore these related concepts for a complete picture of annual financial management: [Annual Report](/glossary/annual-report), [Income](/glossary/income), [Expense](/glossary/expense), [CPA](/glossary/cpa), and [Accrued Liability](/glossary/accrued-liability).