Accounting Period
A defined span of time used to prepare financial statements and report business results.
What is Accounting Period?
An accounting period is a specific interval of time over which a company's financial performance is measured, recorded, and reported. The most common periods are monthly, quarterly (three months), and annually (the fiscal year). Public companies in the United States must file quarterly reports (10-Q) and annual reports (10-K) with the SEC, each covering a defined accounting period. Choosing consistent accounting periods allows investors, creditors, and management to identify trends and make meaningful comparisons over time. Both GAAP and IFRS require financial statements to be prepared on a regular, clearly defined period basis.
Example
Apple Inc. operates on a fiscal year ending in late September. Its FY2024 ran from September 25, 2023 to September 28, 2024. Apple prepares quarterly financial statements for each of its four fiscal quarters and an annual report covering the full year—each tied to a fixed accounting period.
Source: Apple 10-K FY2024 — SEC EDGAR