Days Until Calculator
Count days to or from any date with countdown timer
Event Details
Days Until Calculator
Count days to or from any date with countdown timer
Features
- Days, hours, minutes, and seconds until any future date and time
- Calendar-aware years/months/days breakdown (handles month-length and leap-year correctly)
- Works for past dates too — shows time elapsed
- Multiple preset events plus full custom date/time input
- Runs entirely in your browser
How to use
- Enter your input data in the provided field.
- Configure any options as needed.
- View the results instantly and copy or download the output.
Tips & Best Practices
- Calendar arithmetic walks from one date to the other month-by-month — Feb 28 to Mar 31 is "1 month 3 days", not "1.1 months".
- The hours/minutes/seconds breakdown is exclusive of the end-of-day — Dec 1 00:00 to Dec 2 00:00 counts as 1 day, 0 hours.
- Times are interpreted in your browser's local timezone; if you need a specific zone, set your system clock first.
- Past dates show "time elapsed" with the same year/month/day breakdown.
- Runs entirely in your browser; no dates are uploaded anywhere.
FAQ
Is this tool free to use?
Yes, completely free with no registration, no limits, and no hidden costs.
Is my data private?
All processing happens in your browser. No data is ever sent to any server or third party.
Does it work offline?
Once loaded, the tool works entirely offline. All processing is done client-side with JavaScript.
Which browsers are supported?
Works in Chrome, Firefox, Safari, Edge, and all modern browsers on desktop and mobile.
Can I use the results commercially?
Yes, all output is yours to use freely in any personal or commercial project without restrictions.