How do I calculate days until a date?

Enter your target date in the "Days Until" section. The calculator instantly shows how many days remain until that date.

How do I calculate days since a date?

Enter a past date in the "Days Since" section. The calculator shows how many days have passed since that date.

Does the countdown include today?

The "days until" count does not include today - it shows complete days remaining. If an event is tomorrow, it shows 1 day until.

Can I calculate days until a recurring event?

For recurring events like birthdays or anniversaries, enter the next occurrence date. For annual events, our holiday countdowns automatically show the next upcoming date.

How accurate is the days calculation?

Our calculator is 100% accurate, accounting for leap years and varying month lengths. It updates in real-time based on your device's clock.

⏳ Days Until / Days Since

Calculate how many days until a future event or since a past event

Event Name (optional)

Target Date

days

🔥 Popular Countdowns

How to Use

Days Until: Select a future date to see how many days remain until that event. Perfect for counting down to birthdays, holidays, vacations, or any special occasion.

Days Since: Select a past date to see how many days have passed since that event. Great for tracking anniversaries, milestones, or how long ago something happened.

Want a beautiful shareable countdown with custom backgrounds? Try our Countdown Timer tool!