daymark. What’s open today?

The U.S. calendar, made clear

Know the date.
Enjoy the day.

Is it a holiday? What’s open? When’s the next long weekend? Quick answers for every U.S. holiday, checked against official sources, plus the tools to plan your year.

Today
21Wednesday, October 21

Checking today’s schedule…

  • Banks…
  • Post office…
  • Stock market…
  • Federal offices…
Next federal holidayVeterans Day · Wed, Nov 11
Christmas countdown65 days to go
Next clock changeChecking date…

Plan your year

Tools that answer the real question

On the horizon

Coming up next

U.S. holidays and observances in date order.

Full 2026 calendar

Holiday guides

The dates people ask about

The date, the story and what’s open, in one place.

All holiday guides

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How we check

Sourced, not guessed

Dates come from OPM, the NYSE, the Federal Reserve, USPS and each state’s own calendar. Every page links its source, and every dataset is labeled verified, rule-based or estimate.