Estimated tax payment dates 2026: all four IRS due dates
The four 2026 estimated tax due dates are April 15, June 15, and September 15, then a final installment in mid-January of the following year.
How are taxes due? Filing, paying, and what happens if you're late
Federal taxes are due by filing and paying by April 15, 2026, through IRS-approved methods like Direct Pay or EFTPS. Miss it, and penalties compound monthly.
Tax extension deadline 2026: what Form 4868 actually buys you
Form 4868 pushes your filing deadline to October 15, 2026, but any tax you owe is still due April 15. Here's how the extension actually works.
Tax filing deadline 2026: when your federal return is due
The IRS deadline to file and pay your 2025 federal tax return is Wednesday, April 15, 2026. Miss it, and failure-to-file penalties start at 5% a month.
When is the best time to do your taxes in 2026?
The best time to file is as soon as you have every income form in hand, ideally by early-to-mid February, not the moment the season opens or the week before April 15.
Deadline for a VAT return: the 1-month-and-7-day rule
A UK VAT return and its payment are both due 1 calendar month and 7 days after your accounting period ends, whether you file monthly or quarterly.
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