Tax calendars

Filing and estimated-tax dates for individuals — one country at a time, every date cited to the tax authority. Not a reminder product.

• US tax calendar 2026United States

  Individual U.S. tax dates for 2026: tax year, Form 1040, estimated tax, W-2/1099, W-4, IRA/HSA, FBAR, extensions — with official IRS / FinCEN links.

More countries coming next (United Kingdom, Australia, New Zealand, Canada, Ireland).