Advance Tax (Q1) Due Date — Filing Calendar 2026-27
Due Date
15th June each year
What is Advance Tax (Q1)?
Advance Tax Q1 is the first quarterly installment of advance income tax, due by 15th June. Taxpayers with an estimated tax liability of ₹10,000 or more must pay tax in advance throughout the year rather than in a lump sum at year-end. Q1 requires payment of at least 15% of the estimated annual tax.
Who files it?
All individuals, firms, companies, and other taxpayers (excluding senior citizens with no business income) with estimated tax liability of ₹10,000 or more in a year must pay advance tax. Salaried taxpayers whose employer deducts full TDS are generally exempt.
Late Fee & Penalty
Interest under Section 234C: 1% per month (simple) for 3 months on the shortfall if less than 15% is paid by 15th June. Additionally, Section 234B interest applies if total advance tax paid is less than 90% of assessed tax.
Frequently Asked Questions — Advance Tax (Q1)
What is the due date for Advance Tax Q1 (FY 2026-27)?
The due date for Advance Tax Q1 is 15th June 2026. At least 15% of the estimated annual tax liability must be paid by this date.
How do I calculate advance tax?
Estimate your total income for the year, compute tax on it using the applicable slab rates, subtract TDS expected to be deducted, and the remaining is your advance tax. Q1 requires 15%, Q2 cumulative 45%, Q3 cumulative 75%, and Q4 cumulative 100%.
Are senior citizens required to pay advance tax?
Senior citizens (60 years and above) who do not have income from business or profession are exempt from paying advance tax. They can pay the entire tax as self-assessment tax.
What is the penalty for not paying Advance Tax Q1?
Interest under Section 234C at 1% per month for 3 months on the shortfall. For Q1, if less than 15% of total estimated tax is paid, interest is levied on the difference for 3 months.
Related Deadlines
Advance Tax (Q2)
Advance Tax Q2 due date is 15th September. Pay cumulative 45% of estimated tax by 15th September to avoid Section 234C interest for FY 2026-27.
Advance Tax (Q3)
Advance Tax Q3 due date is 15th December. Pay cumulative 75% of estimated tax by 15th December to avoid Section 234C interest for FY 2026-27.
Advance Tax (Q4)
Advance Tax Q4 due date is 15th March. Pay 100% of estimated tax by 15th March to avoid Section 234B interest for FY 2026-27.
Income Tax Return
ITR due date for non-audit cases is 31st July 2026. Income tax return filing deadline, late fees under 234F, and interest for FY 2025-26.