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Days Until Calculator
Enter a date and see how many days are left (or days since). Simple and fast.
How to use this tool
- Choose a target date and optional time.
- Watch the live counter update in days, hours, minutes, and seconds.
- Switch to past dates to track how long ago an event occurred.
Popular countdowns
- Track launches, deadlines, and milestones with precise timing.
- Run event countdowns for birthdays, holidays, and anniversaries.
- Monitor elapsed time since renewals, incidents, or release dates.
Usage tips
- Set time to midnight when you only care about day count.
- Leave the page open for a live second-by-second display.
- Use past dates to switch into time-since mode automatically.
FAQ
- Does the timer update automatically?
- Yes. The countdown refreshes every second in your browser.
- Can this measure time since a past event?
- Yes. Selecting a past date automatically shows elapsed time.
- Which timezone is used?
- Calculations use your device's local timezone.
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