Where are my goals stored?

Only in this browser's local storage on this device. Nothing is sent to a server, and your goals won't appear on other devices or browsers.

Can I add a date that's already passed?

Yes. If you add a past date, it will show how many days have passed, like D+3.

How is D-Day calculated?

It's calculated from midnight today to the target date, counting whole days rather than hours — so if your goal is tomorrow, it shows D-1 no matter what time of day you check.

Will the same goal list show up on another browser or device?

No. Goals are stored only in that browser's local storage, so you'll need to add them again on a different device or browser.

Does a different timezone change the D-Day calculation?

Yes — D-Day is calculated based on midnight in your device's local timezone. If you access it from a different region, it uses that region's midnight.

I accidentally deleted a goal. Can I recover it?

There's no recovery feature. For anything important, we'd recommend noting the date somewhere else as a backup.

D-Day Counter - Free Countdown to Any Date

What is a D-Day counter?

D-Day Counter is a tool that shows how many days remain until a date you choose, displayed as a large, easy-to-read number like D-5, D-DAY, or D+3. Whether you're tracking an exam, a trip, a wedding anniversary, or a project deadline, you can keep several dates in view at once, and every goal you add is saved in your browser so it's still there the next time you visit. Unlike many D-Day apps that require creating an account or cloud sync, this tool saves only to your browser, so you can add a goal right away with no sign-up step.

How to use it

Enter a goal name and date, then click "Add" — a new card appears in the list showing the D-Day count calculated from today. Add as many goals as you like, and remove any you no longer need with the "Delete" button. Everything is saved in this browser, so your goals will still be there the next time you come back.

When it comes in handy

Tracking how much time is left before an exam, interview, or presentation
Counting down to a trip or event
Keeping track of anniversaries and birthdays so you never miss one
Managing multiple project or assignment deadlines at a glance

How exactly is D-Day calculated?

The part people often find confusing about D-Day counters isn't hours remaining — it's that the count is based on calendar days from midnight, not a running clock. If your target date is tomorrow, it shows D-1 whether it's 11pm or 1am right now. This matches how we naturally think about dates in everyday life ("the exam is tomorrow"), and avoids the awkwardness of an hour-based count (like showing D-2 when only 23 hours and 59 minutes remain).

Good to know when managing goals

Registering multiple target dates lets you scan them by soonest D-Day, so you won't miss an urgent one
You can register past dates too, useful for things like tracking how many days have passed since an anniversary
Since goals are stored in your browser's local storage, switching devices or clearing browser data will remove your list — keep that in mind
You can register multiple goals with the same name; each is still managed independently

Frequently Asked Questions

Where are my goals stored?: Only in this browser's local storage on this device. Nothing is sent to a server, and your goals won't appear on other devices or browsers.
Can I add a date that's already passed?: Yes. If you add a past date, it will show how many days have passed, like D+3.
How is D-Day calculated?: It's calculated from midnight today to the target date, counting whole days rather than hours — so if your goal is tomorrow, it shows D-1 no matter what time of day you check.
Will the same goal list show up on another browser or device?: No. Goals are stored only in that browser's local storage, so you'll need to add them again on a different device or browser.
Does a different timezone change the D-Day calculation?: Yes — D-Day is calculated based on midnight in your device's local timezone. If you access it from a different region, it uses that region's midnight.
I accidentally deleted a goal. Can I recover it?: There's no recovery feature. For anything important, we'd recommend noting the date somewhere else as a backup.