Days Between Dates Calculator

How does this calculator work?

Enter the start and end dates. DateRuler calculates the difference between their calendar-day numbers, rather than dividing milliseconds between local midnights. This avoids daylight-saving surprises.

Quick example

From March 1 to March 8 is 7 days. With both dates included it is 8 days.

Frequently asked questions

Does it count weekends?

Yes. The standard date difference counts every calendar day. For weekdays only, use the business days calculator.

How are dates in the past handled?

Either date can be first. The calculator shows the absolute gap and indicates which one is later.