Results computed in your browser.
In difference mode we count the days between your two dates and express them as weeks and months. In add/subtract mode we shift a start date by the number of days you enter (use a negative number to go back).
Track hours, overtime and dates with our other free calculators.
Pick a start and end date and we return the exact number of days, weeks and months between them.
It counts the number of nights between the two dates; add one if you need both endpoints counted.
Yes — switch to add/subtract mode and enter days (negative to subtract).
Yes — it uses real calendar dates, so leap years are accounted for.
No — it all runs in your browser.