Date Calculator
Calculate the number of days between two dates.
Enter your numbers and select Calculate to see results.
About This Calculator
This calculator finds the exact number of days, weeks, and business days between two dates — useful for project deadlines, event planning, or any date-math question.
How This Is Calculated
Total Days = End Date − Start Date
January 1, 2026 to December 31, 2026 spans 364 days.
Assumptions
- Business day count excludes weekends only — it does not account for public holidays.
Frequently Asked Questions
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Last updated January 15, 2026. Results are estimates for informational purposes only — read our disclaimer.