Days Until Calculator

How to use

• Enter an event name and select a target date, or use a quick preset button.
• Click Start Countdown to see a live countdown in days, hours, minutes, and seconds.
• If the date is in the past, it shows how many days ago it was.
• Click Save Event to store it in your browser — saved events persist across visits.
• Click any saved event to reload it as the active countdown.
• For birthdays, click the Birthday preset, enter the month and day, then click Set Birthday.