Measure gaps between two calendar dates including leap years. Fully client-side — no account, uploads, or remote storage.
Added Apr 18, 2026
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Enter a value for start date to see your result.
Calculates the exact number of days, weeks, months, and years between two dates. Also counts business days (Monday–Friday, excluding weekends) for work-related planning.
2024 is a leap year, so it has 366 days. Of those, 262 are weekdays.
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Q1 2026 spans 90 calendar days.
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The calculator counts the number of days between the two dates, not including both endpoints — similar to counting how many nights between check-in and check-out dates. To include both, add 1 to the result.
No — business days here means Monday through Friday only. Public holidays vary by country and region and are not factored in.