Date Difference Calculator

Calculate differences in years, months, days, business days, age and more — client-side & private.

Mode

Unit

Start Date

End Date

Live Update Exclude Weekends

Date Format

Holidays (.csv/.txt) (optional) Max 1MB. One date per line (YYYY-MM-DD).

Or paste holidays (one YYYY-MM-DD per line)

Batch CSV (start,end) (optional)

CSV must have two columns (start,end) or headers start,end. Max 1MB.