# Fiscal Year: What It Is and Advantages Over Calendar Year

> **Definition**
>
> A fiscal year is a twelve month period used by businesses and governments for budgeting and financial reporting.

## What Is a Fiscal Year?

A fiscal year consists of a consecutive 12-month period that an organization uses for accounting, budgeting, and financial reporting purposes.

Unlike the calendar year, which always begins on Jan. 1 and ends on Dec. 31, a fiscal year can start and end in any month. For instance, the U.S. federal government operates on a fiscal year that begins on Oct. 1 and ends on Sept. 30, while many retail businesses prefer a fiscal year that ends on Jan. 31 to capture the full holiday shopping season in a single reporting period.  

### Key Takeaways

*   A fiscal year is a 12-month period used for accounting purposes that doesn't necessarily align with the calendar year.
*   Businesses and governments use specific fiscal years for flexibility in financial planning and reporting.
*   Fiscal years tend to align better with business cycles and are used for tax strategies.
*   There are specific IRS requirements and deadlines for businesses using a fiscal year.

![Fiscal Year (FY)](https://www.investopedia.com/thmb/Y82R7bI558j17f7uTxjvhETk5BU=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/FY-887c7c1cad1c47f38bd91db6e080b68e.jpg)

*— Investopedia / Julie Bang*

## Purpose and Use of Fiscal Year

Organizations adopt fiscal years for various strategic purposes that extend beyond simple [bookkeeping](https://www.investopedia.com/articles/08/accounting-history.asp). The primary objective is to provide a more accurate picture of an organization's financial performance by aligning reporting periods with natural business cycles. Consider a company that generates a significant portion of its annual revenue during the holiday season—having a fiscal year that ends Jan. 31 lets it fully report its holiday sales, returns, and year-end inventory adjustments within the same financial period.

Educational institutions instead often choose a fiscal year that runs from July 1 to June 30, corresponding with the academic calendar and the timing of student tuition payments. This helps these institutions better manage their budgets and financial planning around academic terms rather than calendar months. Nonprofit organizations may align their fiscal years with the timing of grant awards or major fundraising events.  

The designation of fiscal years typically includes the 365 days in which most of the period falls. For example, a company's Fiscal Year 2025 (often abbreviated as FY2025 or FY25) may run from Feb. 1, 2025, to Jan. 31, 2026. This naming convention helps maintain clarity and consistency in financial communications and reporting.

> **Important**
>
> While many fiscal years begin from the first of a particular month, they can also begin at other dates, such as during the middle of the month.

## Examples of Fiscal Years

Different organizations structure their fiscal years based on their specific needs and industry patterns. For example:

*   The U.S. federal government's fiscal year runs from Oct. 1 to Sept. 30, a schedule that evolved from the nation's early agricultural heritage and the timing of tax collections. This timing allows the government to complete its budget process before the new fiscal year begins.
*   Apple Inc. ([AAPL](https://www.investopedia.com/markets/quote?tvwidgetsymbol=AAPL)) operates on a fiscal year that ends in September, allowing the company to include the launch of new device models and the subsequent holiday sales quarter in the same fiscal year. This structure provides investors with a clearer picture of each product cycle's performance.

![Apple's 10k, showing when its fiscal year ends.](https://www.investopedia.com/thmb/LFtqs7UutSHDPFPmbRy2vdjOVCc=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/APPLE10K-2ce3334c02a248e88451b566dad05a7e.png)

*Apple's 2024 10-K report to the U.S. Securities and Exchange Commission notes the end of its fiscal year.*

*   Walmart Inc.'s ([WMT](https://www.investopedia.com/markets/quote?tvwidgetsymbol=WMT)) fiscal year ends on Jan. 31, enabling the company to account for the entire holiday shopping season and postholiday returns in a single fiscal period, which provides a more accurate representation of its annual retail cycle.

![Walmart's 10-K shows a fiscal year that ends Jan. 31.](https://www.investopedia.com/thmb/3UMWEiBUF70JbJCuJr-gUkZyofY=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/WMT10K-3f77ac11183c45d4ade270204739b4e3.png)

*Walmart's 2024 10-K report to the U.S. Securities and Exchange Commission notes the end of its fiscal year.*

*   Microsoft Corporation ([MSFT](https://www.investopedia.com/markets/quote?tvwidgetsymbol=MSFT)) uses a July 1 - June 30 fiscal year. This schedule aligns with enterprise software purchasing patterns and the educational sector's budget cycles.

![MSFT's 10-K, showing when its fiscal year ends.](https://www.investopedia.com/thmb/2WVspY3TX3nMPQq58n0icgoCEJo=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/MSFT10-K-7454f4c0d3bd441a95714381795f7c4c.png)

*Microsoft's 2024 10-K report to the U.S. Securities and Exchange Commission notes the end of its fiscal year.*

> **Tip**
>
> Publicly traded companies disclose their fiscal year periods on their Form 10-K annual reports.

## Advantages of a Fiscal Year

### Fiscal Year vs. Calendar Year

Calendar Year

*   Begins Jan 1. and ends Dec. 31
    
*   Simpler to track and understand
    
*   Matches most standard calendars
    
*   No need for date conversion in communications
    

Fiscal Year

*   Can be any consecutive 12-month period
    
*   Aligns with natural business cycles
    
*   Facilitates more accurate year-over-year comparisons
    
*   Reduces end-of-year accounting burden
    

### Strategic Alignment with Business Cycles

A fiscal year enables organizations to better match their [financial reporting](https://www.investopedia.com/articles/fundamental/03/121703.asp) with their operational patterns. When a fiscal year aligns with a company's particular business cycle, it provides a clearer picture of performance and can help managers make more informed decisions.

### Seasonal Business Adjustments

For businesses with significant [seasonal](https://www.investopedia.com/terms/s/seasonality.asp) variations, a fiscal year can provide more meaningful financial comparisons. A retail business ending its fiscal year in January can better evaluate year-over-year performance by including the entire holiday season in a single reporting period.

### Optimized Tax Planning

The flexibility to choose a fiscal year-end can also provide tax advantages. Organizations can structure their fiscal year to optimize cash flows for tax payments and potentially defer [tax liabilities](https://www.investopedia.com/ask/answers/030415/do-tax-liabilities-appear-financial-statements.asp). However, companies must carefully consider the regulatory and administrative requirements, as well as potential complications in relationships with vendors and customers.

## IRS Requirements for Fiscal Years

Federal tax filings are based on a company's fiscal year. Organizations operating on a fiscal year must file their annual tax returns by the 15th day of the fourth month following their fiscal year-end. For example, a company with a fiscal year ending June 30 would need to file its tax return by October 15.

However, this general rule has some important exceptions:

*   [**C corporations**](https://www.investopedia.com/terms/c/c-corporation.asp): The deadline is the 15th day of the _third_ month following the fiscal year-end. So, a C corporation with a June 30 fiscal year-end would need to file by Sept. 15.
*   **[S corporations](https://www.investopedia.com/terms/s/subchapters.asp) and partnerships**: These must file by the 15th day of the third month following their fiscal year-end, no matter when that occurs during the calendar year.

### Restrictions on Fiscal Years

The IRS places specific restrictions on which entities can adopt a fiscal year, which are designed to prevent tax avoidance and ensure proper income reporting:

*   **Individual taxpayers** must file income taxes using the calendar year and file typically by April 15 of the following year.
*   **[Personal Service Corporations](https://www.investopedia.com/terms/p/personal-service-corporation.asp) (PSCs)** must generally use a calendar year unless they can establish a business purpose for a fiscal year. PSCs include organizations that provide personal services in fields such as health, law, accounting, consulting, actuarial science, or performing arts.
*   **S corporations** typically must use a calendar year unless they can show a business purpose for a different period.  
    

> **Tip**
>
> In the U.S., eligible businesses can adopt a fiscal year for tax reporting purposes simply by submitting their first income tax return observing that fiscal year. At any time, these businesses may elect to change to a calendar year.

## Tax Planning Opportunities

A fiscal year can offer several [tax planning advantages](https://www.investopedia.com/fa-one-thing-reduce-tax-liability-2025-8599907) when properly structured:

### Income Deferral

Organizations can defer income recognition by choosing a fiscal year that ends before their peak revenue period. For example, a construction company might choose a March 31 fiscal year-end if most of its contracts are finished during the summer months, effectively postponing [income recognition](https://www.investopedia.com/ask/answers/06/recognizingrevenues.asp) and hence the related tax liability.

### Timing Expenses

Companies can strategically time major expenses to maximize tax deductions. For example, a pool installer business with a fiscal year-end of July 31 might schedule significant equipment purchases in the summer, when cash flow from seasonal sales is strong, while still capturing the full year's depreciation deduction.

### Tax-Loss Harvesting

By aligning their fiscal year with their natural business cycle, businesses can take better advantage of [tax loss harvesting strategies](https://www.investopedia.com/terms/t/taxgainlossharvesting.asp), particularly in industries with predictable seasonal patterns. For instance, with a retail sector fiscal year structure, a business can strategically time when it recognizes certain losses (like [inventory write-downs](https://www.investopedia.com/terms/i/inventory-write-off.asp) or equipment disposals) to offset its holiday profits within the same tax year.

## Transitioning Between Fiscal and Calendar Years

Changing from a calendar year to a fiscal year (or, changing an established fiscal year) requires careful planning and consideration. Organizations must file Form 1128 with the IRS to request approval for the change. This transition period, known as a [short tax year](https://www.investopedia.com/terms/s/short-tax-year.asp), requires special handling of financial statements and tax calculations.

The transition process involves more than just paperwork. Companies need to consider the impact on financial comparisons, stakeholder communications, and internal systems adjustments. It's thus crucial to have a comprehensive transition plan in place.

## The Bottom Line

A fiscal year helps organizations align their financial reporting with their operational realities. While the calendar year remains the standard for many businesses, the flexibility offered by a fiscal year can provide significant advantages for financial planning, taxes, and operational efficiency.

The decision to adopt a fiscal year and when should be based on carefully considering an organization's specific circumstances, including its industry patterns, operational cycles, and strategic objectives. Whether choosing a fiscal or calendar year, the key is to select the approach that best serves the organization's needs while ensuring compliance with regulations and maintaining transparent communication with stakeholders.

> **Article Sources**
>
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>     
> 2.  USA.gov. "[The Federal Budget Process](https://www.usa.gov/federal-budget-process)."
>     
> 3.  Indeed. "[Common Types of Fiscal Years](https://www.indeed.com/career-advice/career-development/fiscal-year)."
>     
> 4.  Apple, Inc. "[Apple reports fourth quarter results](https://www.investopedia.com/terms/f/fiscalyear.asp)."
>     
> 5.  Walmart. "[Form 10-K](https://www.sec.gov/Archives/edgar/data/104169/000010416922000012/wmt-20220131.htm)." Page 6.
>     
> 6.  Microsoft Corp. "[Annual Reports](https://www.microsoft.com/investor/reports/ar23/index.html)."
>     
> 7.  Internal Revenue Service. "[Tax Years](https://www.irs.gov/businesses/small-businesses-self-employed/tax-years)."
>     
> 8.  Internal Revenue Service. "[Publication 509 (2025), Tax Calendars](https://www.irs.gov/publications/p509)."
>     
> 9.  Internal Revenue Service. "[Publication 542 (01/2024), Corporations](https://www.irs.gov/publications/p542)."
>     
> 10.  Internal Revenue Service. "[Instructions for Form 1128](https://www.irs.gov/pub/irs-pdf/i1128.pdf)."
>      
> 11.  Internal Revenue Service. "[Bulletin No. 2006-46](https://www.irs.gov/pub/irs-irbs/irb06-46.pdf)."