Date Difference

Find the exact gap between two dates in years, months, weeks, and days

2025-04-242026-04-24 = 365 days
Total days
365
Weeks
52
Business days
261
Years / Months / Days
1y 0mo 0d
2025-04-242026-04-24365 Days1yr 52 Weeks261 Business days

About this calculator

The Date Difference Calculator finds the exact gap between any two dates in years, months, weeks, days, and business days. Use it to calculate project deadlines, count down to an event, measure how long ago something happened, or verify contract durations. Just pick a start and end date and get the breakdown instantly.

Common examples

  • Jan 1 → Dec 31 (same year) = 364 days, 52 weeks, 0 months 30 days
  • Mar 15, 2020 → Mar 15, 2025 = exactly 5 years, 1 826 days
  • Jun 1 → Aug 31 = 91 days, 13 weeks (summer break length)
  • Jan 1, 2024 → Apr 21, 2026 = 2 years 3 months 20 days, 841 days total
  • Sep 1 → Jun 15 (school year) = 287 days, 205 business days