Can I include or exclude the end date?

Date Difference Calculator

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Calculate the exact number of days, weeks, months, and years between any two calendar dates. Includes options to count or exclude weekends.

Browser-based: this tool works on your device and does not send your input to an Alona Tool server. See the Privacy Policy for details.

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Project timeline

Input Scenario:

Start: Jan 1, End: Jun 30

Generated Result:

180 days (25 weeks 5 days / 5 months 29 days)

Computes UTC millisecond timestamp deltas to prevent daylight saving time hour drift.

Yes, you can toggle inclusive counting to include the end date in the total.

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