If a company earns a lot of money in 2025, but reports a lot of the after-tax profit in 2026, the company can still report a good “2026”. That’s not accounting fraud. Typically occurs when the company’s fiscal year is not the same as the calendar year. The significance of the date range of the label is more important than the label itself, particularly when you are comparing sales, profits, taxes, or business performance.
The Calendar Year and Fiscal Year use different Cutoff Dates
Every calendar year is from January 1 to December 31. It has 12 months, and matches the calendar used on daily life, personal tax returns and most family budgets. If they don’t say anything else, they’re likely referring to 2026 income, which is the income that was collected during the period January 1–December 31, 2026.
A fiscal year is also an annual accounting period, but the period can be terminated in a month other than December. A company might use July 1, 2025, through June 30, 2026, or October 1, 2025, through September 30, 2026. For tax purposes, a fiscal tax year is a 12-month period that must end on the last day of any month, other than December, and an IRS fiscal year is considered to be a 52-to-53 week fiscal year (52 weeks, not necessarily ending on the last day of a month).
So, it is not the length of the fiscal year, but rather the timing, that makes the difference with calendar year. Normally both cover 12 months of activity. The selection determines the division of one reporting period to the next.
Why choose a Fiscal Year?
Fiscal year can help simplify the financial reporting process. For retailers who receive 45% of their annual revenue in November and December, it may not make sense to close their books on December 31 immediately after their busiest months. Having the fiscal year end on Jan. 31 allows employees to count all the holiday sales, returns, gift-card redemptions and inventory adjustments in one year-end period.
This is also a concern for seasonal enterprises. A ski resort can earn the majority of its revenue from the months of December to March, while a landscaping business can pull in 70% of its business in the months of April through September. A fiscal year that spans beyond the operating year can offer a better picture of the full year cycle than a calendar year.
This may also be something that can be done in a quieter time in the choice’s scheduling. A June 30 or September 30 fiscal year end may alleviate the “December blues” for company accountants, managers and auditors and result in a cleaner book. Owners who keep a monthly tracking of expenditures will be aware of how a fiscal year end may divide the busiest month.
The labels on the year may be deceiving
A fiscal year is typically identified by the calendar year it concludes, but companies do not have to say the same thing. Fiscal year 2026 may mean July 1, 2025, through June 30, 2026. If an organization wants to use “FY2026” it will need to do so for an organization that ends its fiscal year in September 2026, while a calendar-year business will use 2026 for the fiscal year from January through December 2026.
The readers will only look at the year in the headlines, which makes for a bad comparison. If Company A has reported $12 million in revenue for fiscal 2026 (July 2025 through June 2026), what was the revenue for that fiscal year?If Company A had $12 million in revenue for fiscal 2026 (from July 2025 to June 2026), how much did it report? The company B reports $10 million in calendar 2026. The increase in company A’s size is 20%, but the two totals span different months and may encompass different economic factors, holidays or price changes.
If all the comparisons occur over the same accounting period, the formula for the income statement becomes easier to interpret. If revenue or profit increased, verify the start date, end date and number of weeks covered before concluding that it has increased.
Tax Years and Filing Deadlines Do Not Always Match
The accounting year of a company is also usually its tax year, however in some instances it may not be possible to pick or change a company’s accounting year without restriction. Some taxpayers are subject to IRS rules that mandate a calendar year and some partnerships and S corporations are subject to other restrictions. An IRS ruling is required to change a tax year for a business that has already selected a year.
Filing dates are concurrent with the tax year. The deadline is quite a familiar one for many who file their federal taxes on a calendar-year basis, and it’s the one that occurs in the spring. Generally, a fiscal-year filer will prepare tax returns from the month a fiscal year ends, not December 31. This could mean that a business with a year end on June 30 is in the midst of preparing its annual return, while a business with a year end on Dec. 31 may have just finished its annual return.
The years to date and previous year numbers are typically requested for a small business loan application, which means that they will want consistent periods. When using a nine-month figure and a 12-month figure, the figures can be blended to make cash flow appear better or worse than it actually is.
A 52-to-53-Week Year Solves a Different Problem
There are companies which may pay attention more to matching weekdays than to matching month-end dates. Their fiscal year 52-to-53 period ends on the same Saturday of the year, e.g., the Saturday nearest the date of January 31st. This is beneficial for businesses that trade on weekends, for which weekly comparisons can be more significant than calendar-month comparisons.
A normal year is 52 weeks long and has 364 days. The company may have to wait for a 53rd week to realign the reporting calendar every 5 or 6 years. The additional week can have a significant impact on the annual business even if the actual business isn’t improving.
The retailer who sells $500,000 in merchandise a week, for instance, would have approximately $26 million in sales over a 52-week period. At the same weekly rate, a 53-week year would reveal about $26.5 million, which is an artificial addition that is not due to increased demand. It’s important for investors to watch for a week before assuming that gain is organic growth.
What Year is Appropriate for a Small Business to use?
The calendar year is the easiest option for a majority of small businesses. It is similar to the tax forms you’re familiar with, your payroll records, bank statements, personal planning, and the January through December budget that owners are already familiar with. For a consultant earning $180,000 per year, it might not make much sense to change fiscal years.
When one season is the dominant one in business, a fiscal year might be more appropriate. Let’s say the annual revenue for a toy company is $1.2 million, which is generated during November and December. A year end on Jan. 31 would prevent the company from having to close its books during the heaviest sales and returns period of the year, as well as during the post-holiday inventory period.
The choice should be based on operating patterns, tax considerations, lender requirements, and bookkeeping expenses. A business credit score can be utilized when a business applies for funding, together with financial statements, by lenders. Financial goals are important because having a reporting year that supports decision making is not generating additional bookkeeping.
The process of comparing companies with different fiscal years.
Read the precise time interval delineated, not the year in the heading. Public companies simply define their fiscal year in their annual reports which they submit to the SEC, and investors can compare revenues, expenditures, profit, and risks over the course of a fiscal year. Look for phrases such as “year ended June 30, 2026” or “52 weeks ended February 1, 2026.”
Then make comparisons between like and like. Use the same quarter, weeks or trailing 12-months as applicable. This is not a business with $11 million in revenue for nine months, versus a business with $9 million in revenue for nine months, and then not a single penny. The first company is averaging $1 million per month, the second is $917,000 per month.
Determine if a short tax year occurred due to acquisitions, an additional reporting week or a different fiscal year. These details can help to make sense of a sudden jump in percentage, which isn’t necessarily due to customer demand. The dates don’t line up until the numbers are useful.
The Bottom Line
Pick a calendar year that simplicity is important and your income is fairly consistent throughout the year. If a calendar year cut-off would result in your busiest season being split or in reporting during your most difficult month, consider a fiscal year. If an existing tax year is to be changed, consult a tax professional to determine if IRS approval is needed. When comparing businesses, don’t pay attention to the year, until you’ve verified the exact start/end date and number of weeks.
Frequently Asked Questions
Do all fiscal years have a duration of 1 year?
A fiscal year is a 12-month period that typically starts on July 1. In some organizations, there is a 52/53 week calendar year, meaning that the reporting periods are the same weekday each year.
Why would a company use a fiscal year instead of a calendar year?
Some companies might select a fiscal year to have the busiest season within one reporting year, or to finish their accounting during a less hectic month. It may be useful for businesses with non-traditional operating cycles, such as retailers, seasonal operations, schools, and organisations.
If someone has a fiscal year, does that have any impact on their tax time?
Yes, the deadline for filing taxes is normally determined based on the end of the tax year approved by the taxpayer. This will vary based on a variety of factors, including the business structure, tax form, fiscal year end, and current IRS rules.
