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Calculate the Number of Days Between Two Dates
Choose a start and end date to count the calendar days between them, including across leap years. Reverse the dates to see a negative day difference.
Your values
Calculated result
From start to end
UTC calendar-day difference
Getting started
Choose a start and end date; the signed day difference updates immediately.
Before you use the result
This counts calendar days, not business days, hours or local time-zone offsets.
Try an example
Compare February 28 with March 1 in a leap year to get two days.
How it works
Dates are validated and compared as UTC calendar days.
Frequently asked questions
Count calendar days between two dates without daylight-saving drift.
How do I use Date Difference Calculator?
Choose a start and end date; the signed day difference updates immediately.
Does this tool upload my data?
Inputs and files are processed in your browser. Page-view analytics do not contain your tool input.
What should I check before using the result?
This counts calendar days, not business days, hours or local time-zone offsets.