Move a calendar date forward or backward by a whole number of days.
| Result | – |
Use this calculator to shift a date by a count of days: a deadline, a countdown, or a reminder.
The result is start date plus n whole days on the Gregorian calendar. 28 August 2026 plus 30 days is 27 September 2026. A negative n goes backward. Time of day is not stored; the answer is a calendar date only.
Date: The starting calendar date.
Days: Whole days to add. Negative values subtract.
Result: The date after adding those days.
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