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Screenshots

  • That's a Day? screenshot 1
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  • That's a Day? screenshot 6
  • That's a Day? screenshot 7

About That's a Day?

Happy Lost Sock Memorial Day.

Wait, that's a day?

It is. May 9, every year.

Tomorrow is one too. So is the day after. So is that unremarkable Tuesday in March you had no plans for.

That's a Day? is a calendar of over 2,000 real holidays: the famous ones, the strange ones, and a genuinely alarming number of days about pie. Open it in the morning and find out what today is.

EVERY MORNING, SOMETHING TO CELEBRATE
• Today's celebrations, with one picked out as the headline
• The origin story, including who started it and why they bothered
• A few fun facts per holiday, which is a few more than you had yesterday
• A few ways to actually celebrate, from "do it at your desk" to "clear your afternoon"
• Somewhere near you to do it, when somewhere near you exists

DAYS WE ARE NOT MAKING UP
Spreadsheet Day. Iguana Awareness Day. If Pets Had Thumbs Day. World Camel Day. Talk Like a Pirate Day. Ditch New Year's Resolution Day, which lands on January 17 with impeccable timing.

THE WEEK AHEAD
See what's coming so you can plan the good ones. Some holidays deserve notice. Banana Split Day deserves notice.

SHARE THE RIDICULOUS ONES
Turn any holiday into a card worth posting: the fact, the day, and a design that does the work for you. Your group chat has been waiting for Dance Like a Chicken Day.

ON YOUR HOME SCREEN
A widget with today's celebration, so you find out before someone else does.

THAT'S A DAY? PRO
No ads, ever. Every holiday, every day.
$9.99 per year, or $2.99 per month.

Pro is an auto-renewing subscription, charged to your Google Play account. It renews unless you cancel at least 24 hours before the period ends. Manage or cancel anytime in Google Play under Subscriptions.

Privacy Policy: https://thatsaday.app/privacy

Free to use, with ads. No account, no sign-up, no email required.

What’s new

Version 1.1 · Updated October 18, 2026

Share a card straight from any holiday page. Pick a style, pick the fun fact, send it. No detour through the Share tab. Plus a round of small fixes under the hood.

User reviews

ta
ta
creative app, well made

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