Calculate any anniversary date from a starting date. Find the exact date for your 1st, 5th, 10th, 25th, or any anniversary.
Enter your values below
The original date (wedding, founding, etc.).
Which anniversary to calculate.
How this calculator works
Adds the anniversary year multiplied by the average year length to the start date, accounting for leap years.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.
