🗓️ Date Difference Calculator
🔒 No signup, no login — free to use. This tool runs entirely in your browser; your numbers and files never leave your device.
Pick any two dates to see how many days, weeks and months are between them.
Why Count the Days Between Dates?
People use date differences for age, for counting days until a wedding or exam, for leave applications, and for project deadlines. Counting by hand is easy to get wrong because months have different lengths and leap years add a day. This calculator uses the real calendar, so February, leap years and month ends are all handled correctly.
Read the full guide: How to Calculate the Difference Between Two Dates? | ← Back to all tools