Add/Subtract Date Calculator
Add or subtract a number of days from any calendar date.
Add or subtract to/from a date
Start Date
Amount
Result Date (Long):
Sunday, April 12, 2026
Result Date:
4/12/2026
Date Adjustment Explained ➕
Calculates a future or past date by adjusting a starting date.
Common for billing cycles, contracts, and scheduling.
Key Facts
- Handles month and year boundaries automatically.
- Accounts for leap years.
- Useful for subscription renewal planning.
Formulas
- Date Adjustment Formula
New Date = Start Date ± Number of Years/Months/Days- Moves forward or backward on the calendar.