Calculate the exact difference between two dates in days, weeks, months, and years. Includes business days and weekends count.
calendar days
| Total Days | 818 days |
| Weeks + days | 116 weeks, 6 days |
| Approx. months | 26 months |
| Approx. years | 2 years |
| Business days (Mon–Fri) | 585 days |
| Weekend days | 233 days |
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Days = (Date2 − Date1) / 86,400,000 ms
Weeks = Days ÷ 7
Business days = Mon–Fri only
Subtract the earlier date from the later date. Each day = 86,400 seconds. This calculator does it automatically.
Business days are Monday–Friday, excluding weekends. Public holidays vary by country and are not included here.
365 days in a regular year, 366 in a leap year (divisible by 4, except century years not divisible by 400).
This calculator supports any valid dates. JavaScript dates work reliably from 100 AD to 9999 AD.
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.