D-day
D-?
Pick a date and we'll count it right away
Counts down to the day, then switches to D+ once it passes.
Add the dates you want to count, like exams, birthdays or anniversaries.
The home card shows the closest one first.
About D-day
Pick a date to instantly count down to an exam or trip, or see how many days since you started dating. Korean couples celebrate every 100 days, so a table shows when day 100, 200 and up to 1,000 fall, then 1,500, 2,000 and beyond, along with each yearly anniversary. Birthdays can repeat every year.
Save up to 20 dates (synced across devices when you sign in with Google), or send a share link that the recipient can save in one tap.
Does 'days since' count the first day as day 1?
Yes. The start day is day 1, so day 100 falls 99 days later. Starting May 3, 2026, day 100 is Monday, August 10.