The Economic Times

Tax deadline 2026: Are you ready for April 15? When to file, how to extend, and what happens if you miss it

Tax deadlines 2026 are here. April 15 is final. Missing it can cost up to 25% in penalties. Millions must file before Tax Day 2026 or request an IRS tax extension 2026. You can extend filing to October 15, but not payment. Unpaid taxes trigger a 5% monthly penalty, while late payment adds 0.5% plus interest. Key tax filing deadlines 2026 also include W-2 by January 31 and 1099 by mid-February. Quarterly estimated taxes 2026 start April 15. Most IRS refund status 2026 updates appear in 24 hours after e-filing. File early. Pay on time. Avoid penalties.