Days Between Dates Calculator

Calculate days between two dates, countdowns, and days remaining

Calculation Mode

Select Your Dates

Choose the starting date for your calculation

Choose the ending date for your calculation

Need business days or working days only? Use the Date Difference Calculator · Add N business days? Use Workday

Common Scenarios

Everyday ways to use calendar-day gaps and countdowns.

Countdowns
  • Days until events
  • Trip countdowns
Calendar gaps
  • Simple day spans
  • Plan around weekends if needed
Quick planning
  • Set simple timelines
  • Copy/share results
Best Practices
  • Decide inclusive/exclusive counting before comparing
  • Avoid mixing with business-day assumptions (use the other tools)

Terminology

  • Calendar days include all days; this tool focuses on calendar-day gaps.
  • For business/working days (excluding weekends/holidays), use the Date Difference or Workday calculators.

Frequently Asked Questions

Which Tool Should I Use?

Simple calendar days between dates
Days Between Dates Calculator
Business days between two dates
Date Difference Calculator
Add/subtract days, weeks, months, years
Date Add/Subtract Calculator
Add N business days from a start date
Workday Calculator