How it works
Date Difference Calculator formula
|End date − start date| ÷ 24 hours
Divides the time difference by the number of milliseconds in a day.
Everyday calculator
Date Difference Calculator
Select two dates to see the difference in days, weeks and hours.
STEP 1
Enter your values
RESULT
211 daysBetween the two dates
Calculated from the day after the start date through the end date.
Weeks and days30 weeks 1 days
Including both dates212 days
In hours5,064 hours
Dates are compared by calendar day in the same time zone.
Example
Example calculation
The difference from January 1 to January 8 is 7 days, or 8 days when both dates are included.
- Standard
- Calendar-date basis
- Last reviewed
- August 10, 2026
Questions
Date Difference Calculator FAQ
What should I enter in the Date Difference Calculator?
Enter the requested values and the result will update immediately. Review the formula, assumptions and exclusions below the result.
Is the result an official amount?
No. It is an estimate based on the entered conditions and stated assumptions. Confirm important tax, insurance, employment or financial decisions with the relevant institution or a qualified professional.
Are Korean rules used?
This calculator uses the general formula or reference source shown on the page.
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