Date Add Subtract
Add or subtract days, weeks, months, or years from any date with instant results.
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Add or subtract from a date
Shift any calendar date forward or backward by days, weeks, months, or years. Results include ISO, US, and EU formats plus weekday and day-of-year.
Related: Find Date Difference and Date Countdown.
Frequently Asked Questions
How are months handled?
Calendar months are used (e.g. Jan 31 plus one month becomes Feb 28 or 29 in a leap year).
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