Date Difference Calculator
Compare two local dates and times. Get calendar difference, total days, hours, minutes, seconds, and weekday business-day count.
No sign-up, no uploads. Date math runs locally in your browser.
Calendar Difference
Total Days
Total Hours
Total Minutes
Total Seconds
Business Days
Date math for quick planning
Use this for SLA windows, project durations, content calendars, billing periods, or rough weekday counts. Business days count Monday through Friday and do not subtract holidays.
FAQ
Are holidays excluded? No. Business days are weekdays only.
What if I enter dates in reverse order? The calculator reverses them for the result and tells you it did so.