---
title: Add or Subtract Date Calculator
description: Add or subtract years, months, and days from a start date.
---

# Add / Subtract Date Calculator

Shift a calendar date forward or backward by whole years, months, and days.

Site: [https://setcalculators.com/date-add.html](https://setcalculators.com/date-add.html)

## Example

**10 March 2026** + 1 year + 2 months + 5 days → **15 May 2027**.

## Notes

- Order applied: years → months → days.
- Month lengths and leap years are handled with calendar clamping (e.g. 31 Jan + 1 month).

## Related

- [Date Difference](https://setcalculators.com/date-difference.html)
- [Weekday](https://setcalculators.com/weekday.html)
- [All calculators](https://setcalculators.com/calculators.html)