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Date Calculator

Calculate date differences, add or subtract days, count business days, and find the day of the week for any date.

Calculate Date Difference

0 Days
Total Difference
0Years
0Months
0Days
0Weeks
0Hours
0Minutes
📌 Date Information

Add or Subtract Days

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Result Date

Business Days Calculator

Calculate working days (Mon–Fri), excluding weekends.

0
Business Days
0Total Days
0Weekdays
0Weekends
ℹ️ Note
Excludes Saturdays and Sundays. Public holidays are not excluded as they vary by country.

Find Day of Week

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Day of the Week

Instant Results

Accurate date calculations in real-time

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Multiple Units

Years, months, weeks, days, hours

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Business Days

Weekdays only, excluding weekends

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4-in-1 Tool

All date tools in one place

Complete Guide to Date Calculations

Our date calculator provides comprehensive tools for working with dates — calculating differences, planning future events, counting working days, and analyzing time periods.

Date Difference

Enter a start and end date to see the exact difference in years, months, weeks, days, hours, and minutes. Accounts for leap years and varying month lengths automatically.

Add or Subtract Days

Add or subtract any number of days from a starting date — perfect for scheduling deadlines, calculating due dates, and planning project milestones. Use the quick-add buttons for common periods like 1 week, 1 month, or 1 year.

Business Days

Count only weekdays (Mon–Fri) between two dates, automatically excluding Saturdays and Sundays. Essential for project timelines, delivery schedules, and turnaround calculations.

Common Use Cases

  • Project planning — Calculate deadlines and working days available
  • Age calculation — Find exact age between two dates
  • Contract tracking — Know when agreements expire
  • Event planning — Count down days to important dates
  • Loan scheduling — Calculate payment due dates

Frequently Asked Questions

Use the Date Difference tab. Enter a From Date and To Date, then click Calculate Difference to see the result in years, months, weeks, days, hours, and minutes.

Yes. The Business Days tab counts only weekdays (Monday–Friday) between two dates, automatically excluding weekends.

Yes, all calculations automatically account for leap years and varying month lengths for accurate results.

No — public holidays vary by country and region, so they are not excluded. You would need to manually subtract holidays relevant to your location.

Yes, completely free with no registration, no limits, and no data stored.

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