TIME & DATES
Date Add & Subtract Calculator
Add or subtract years, months, weeks and days from any date, with correct end-of-month handling.
Free to use No sign-up Runs in your browser
RESULTING DATE
Choose a start date and enter the amount to add or subtract.
Calculated locally in your browser. Your dates are not uploaded.
Add or subtract a date offset
Enter positive values to add and negative values to subtract. Years and months are applied first, followed by weeks and days. If the target month does not have the original day number, the result is clamped to that month's final day. For example, January 31 plus one month becomes the last day of February.