Date Difference Calculator
Find the difference between two dates.
Runs locally in your browser. No signup.
How it works
- 1 Enter your values.
- 2 Adjust settings if needed.
- 3 Get results instantly.
Counts are absolute (order ignored). Uses your local timezone: UTC.
Total days: —
FAQ
Does it include the end date?
It typically calculates the duration between dates, so the end date is usually exclusive.
Does it count leap years?
Yes. It accurately accounts for leap years and varying month lengths.
Can I calculate time difference too?
Some versions allow entering time, but this tool focuses on days, months, and years.
Does this tool store my input?
No. Your input is processed locally in your browser and is not uploaded or stored.