What is A Financial Year? Meaning, Definition & How It Works
India’s financial year splits into four quarters that finance teams, mutual funds, and the government all track separately:
- Q1: 1 April to 30 June
- Q2: 1 July to 30 September
- Q3: 1 October to 31 December
- Q4: 1 January to 31 March
Each quarter carries its own deadlines. Companies file quarterly TDS returns, advance tax instalments fall due in June, September, December, and March, and mutual funds report portfolio disclosures every quarter.
The final quarter, January to March, is the busiest, since most tax-saving investments under Section 80C (the section of the Income Tax Act that lets you reduce taxable income by investing in options like ELSS, PPF, or life insurance) must be completed before 31 March.
At the close of the financial year on 31 March, the current FY ends and the next one begins on 1 April. Companies then prepare their financial year statement, the balance sheet and profit and loss account required under the Companies Act, 2013, before their income tax return and annual filings fall due later in the year.
Pro Tip: Check your Form 26AS or Annual Information Statement (AIS) on the income tax portal a few weeks before 31 March, so any TDS mismatch can still be corrected within the same financial year.
Example with Real Numbers
Imagine Ananya, a 29-year-old software engineer working in Bengaluru. She joins a new company on 1 November 2025.
Her salary from 1 November 2025 to 31 March 2026 falls under Financial Year 2025-26, even though she worked at the company for only five months of that FY. Her employer starts deducting TDS from her very first salary.
In January 2026, Ananya realises she has invested only ₹40,000 of her ₹1,50,000 Section 80C limit for FY 2025-26.
She starts a top-up SIP (Systematic Investment Plan, a fixed monthly investment) of ₹36,700 a month into an ELSS (Equity Linked Savings Scheme) fund for January, February, and March, to use up the deduction before the financial year closes on 31 March 2026.
Had she waited until FY 2026-27, the same investment would only count toward next year’s deduction, not the one she needed for FY 2025-26.
Types of Financial Years
Financial year is not one fixed idea everywhere. It changes depending on who is using it and, outside India, which country’s rules apply.
Financial Year for Individuals and the Government
For salaried employees, freelancers, and the government itself, the financial year is the 1 April to 31 March period fixed under the Income Tax Act. Every rupee you earn, regardless of when your job or business began, gets slotted into whichever FY it falls in.
Financial Year for Companies
Section 2(41) of the Companies Act, 2013 fixes 1 April to 31 March as the financial year for every Indian company. The only exception is narrow: a company that is a subsidiary or associate of a foreign parent, and needs to align with that parent’s consolidated accounts, can apply to the government for a different period.
Financial Year for Banks and NBFCs
The RBI requires banks, non-banking financial companies (NBFCs), and insurers to report on the same 1 April to 31 March cycle. This keeps deposit, credit, and provisioning data comparable across the entire financial sector, rather than each institution reporting on its own timetable.
Financial Year in Other Countries
Not every country uses the same window, which matters for NRIs comparing Indian tax rules with those abroad.
| Country | Financial Year Period | Example |
| India | 1 April to 31 March | FY 2026-27 = Apr 2026 to Mar 2027 |
| United States (federal) | 1 October to 30 September | FY2026 = Oct 2025 to Sep 2026 |
| United Kingdom | 6 April to 5 April (personal tax) | Tax year 2026/27 |
| Australia | 1 July to 30 June | FY2025-26 |
Key Components of Financial Year
- Start and end date: the fixed 1 April to 31 March window that applies to every financial year in India, regardless of the entity using it.
- FY naming convention: how FY 2026-27 is written and read, the year it starts, followed by the last two digits of the year it ends.
- Quarters (Q1 to Q4): the four three-month blocks used for advance tax instalments, TDS returns, and mutual fund disclosures.
- Tax Year and Assessment Year: since 1 April 2026, the Tax Year lines up exactly with the FY, whereas the older Assessment Year fell in the year immediately after it.
- Financial statements: the balance sheet, profit and loss account, and cash flow statement that every company prepares for each closed financial year.
Benefits of a Standard Financial Year
- One predictable filing calendar: because every entity in India, individuals, companies, and banks, uses the same April to March window, ITR and TDS deadlines line up across employers, banks, and the tax department.
- Easier tax planning: the fixed closing date gives Indian investors a clear deadline to complete Section 80C and other tax-saving investments each year.
- Comparable company accounts: investors comparing companies listed on the NSE or BSE can read quarterly and annual results side by side, since everyone reports on the same cycle.
- Aligned government budgeting: the Union Budget, tabled every 1 February, is built around the same FY, so scheme allocations and tax changes take effect together on 1 April.
Risks & Limitations
- Confusing it with the calendar year: NRIs and returning expats used to a January to December year can misdate an investment or miss a deadline, so always check whether a figure quoted is calendar year or FY.
- Last-minute tax-saving rush: leaving Section 80C investments to March leaves little time to compare products properly; reviewing your 80C usage from October or November instead avoids rushed choices.
- Terminology change confusion: older documents refer to Assessment Year while newer ones use Tax Year for the same period, so check which Act, 1961 or 2025, a form or notice is relying on before you file.
- Longer first year for new companies: a company incorporated after 1 January gets a longer first financial year, up to 15 months, which can distort year-on-year comparisons if not adjusted for.
Important: A common mistake is treating financial year and assessment year (now Tax Year) as the same period. Confirm which one a form or notice is asking for before you file.
Frequently Asked Questions
What does financial year mean?
Financial year (FY) means the 12-month period from 1 April to 31 March that India uses to calculate income, taxes, and company results. It does not match the calendar year, which runs January to December. Every income tax return, salary TDS, and audited company statement in India is based on this same window, making it the reference period behind almost every rupee figure on a payslip, bank statement, or tax form.
What is the difference between financial year and calendar year?
A calendar year always runs 1 January to 31 December. A financial year is whatever 12-month accounting period a country or organisation chooses to use, and in India that is 1 April to 31 March. So a salary earned in February 2026 falls in calendar year 2026, but belongs to Financial Year 2025-26 for tax purposes.
What is the difference between financial year and assessment year?
Under the older Income-tax Act, 1961, the financial year, also called the previous year, was when you earned income, and the assessment year was the following year when that income was taxed. From 1 April 2026, the Income-tax Act, 2025 replaced both terms with a single Tax Year that matches the financial year itself, so this year-long gap no longer applies to new income.
When does Financial Year 2026-27 start and end, and what are its quarters?
Financial Year 2026-27 runs from 1 April 2026 to 31 March 2027. It splits into four quarters: Q1 (April to June 2026), Q2 (July to September 2026), Q3 (October to December 2026), and Q4 (January to March 2027), each with its own advance tax and compliance deadlines.
Why does India follow an April to March financial year instead of January to December?
India adopted the April to March cycle during British rule in 1867, and it stuck because it lines up with the government’s Budget cycle and the agricultural harvest calendar. A government committee headed by Shankar Acharya studied switching to a January to December year in 2016, but the change was never carried through, so the April to March cycle continues.
Do banks and companies in India follow the same financial year?
Yes, in almost every case. The Companies Act, 2013 fixes 1 April to 31 March as the financial year for every Indian company, and the RBI requires banks, NBFCs, and insurers to report on the same cycle. The only exception is narrow: a company that is a subsidiary of a foreign parent, and needs a different year to match that parent’s consolidated accounts, can apply for an exemption.
How does the new Income Tax Act, 2025 change financial year terminology?
From 1 April 2026, the Income-tax Act, 2025 dropped the terms previous year and assessment year, replacing them with a single Tax Year that runs alongside the financial year. Tax Year 2026-27 covers income earned between 1 April 2026 and 31 March 2027, so you no longer need to add a year to work out which period a tax form is asking about.
When should I complete my financial year-end tax planning?
Start reviewing your Section 80C and other deductions well before March, ideally by October or November, so you are not rushing decisions in the last week of the financial year. If you would like a second opinion on which tax-saving investments suit your goals before 31 March, Zenith Finserve’s investment planning service can help you plan ahead rather than scramble at year end.