Date Difference

Calculate the difference between two dates

How to use

1. Pick a start date and an end date.
2. See the gap in days, weeks, months, and years.
3. Use it for deadlines, anniversaries, or planning.

Why use this tool

• Full breakdown: Shows the difference in multiple units, not just total days.
• Any dates: Works for past or future dates, accounting for leap years.
• 100% private: Everything runs in your browser. Your data is never uploaded to a server, so it's safe for confidential content.

Frequently asked questions

How is the difference counted?

It calculates the exact span between the two dates, handling different month lengths and leap years correctly.

Can I include or exclude the end date?

The tool shows the span between the dates; you can read it as inclusive or exclusive depending on your need.

Is my data private?

Yes. The calculation runs in your browser.

Back to all tools