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Add or subtract days, weeks, months, and years from any date.
Pro includes business day calculations, holiday calendars, and recurring date sequences.
Enter a start date and end date to instantly see the difference in years, months, weeks, and days.
Yes - switch to the Add/Subtract tab, enter a date and the number of days to add or subtract, and the calculator will show the resulting date.
Yes, the calculator correctly handles leap years and varying month lengths when computing date differences.
Date Calculator is part of BriskTool's collection of free online tools. All processing runs entirely in your browser for maximum privacy and speed.