Date Difference
Calculate the exact number of days, weeks, months, and years between any two dates. Also shows business days and a plain-English duration.
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Frequently Asked Questions
How are business days calculated?
Business days exclude Saturdays and Sundays. Public holidays are not excluded because they vary by country and region.
How is the month count calculated?
Months are counted by calendar month boundaries, not by fixed 30-day periods. For example, January 31 to February 28 is 1 month. The remaining days after whole months are then counted.
Does the result include both the start and end date?
The day count is the number of full 24-hour periods between the two dates (exclusive of the start date, inclusive of the end). This matches how most calendars and tools count intervals.