Add or subtract dates
Move a date by calendar units. Years are applied first, then months, then weeks and days; invalid month-end dates clamp to that month’s final day.
Wednesday, December 2, 1992
Added to Monday, November 2, 1992.
ISO date1992-12-02
WeekdayWednesday
Absolute day distance30
Month-end clamping happens after years and again after months. For example, subtracting one month from March 31 lands on February 28 or 29.