Life Event Calculators
Anniversary Calculator
Calculate how much time has passed since a wedding, relationship, work or personal anniversary date.
Private by design: dates are calculated in your browser and are not stored by this plugin.
Result
Enter your dates and press calculate to see the result.
How to use this calculator
- Enter the original anniversary date.
- Choose the date you want to calculate on.
- Press calculate to see time passed and the next anniversary countdown.
Results are based on calendar date calculations and are intended for everyday planning, reminders and personal milestones.
Track meaningful dates
Use this calculator for wedding anniversaries, relationship milestones, work anniversaries, sobriety dates, moving dates, business launch dates or other personal memories.
Past dates only
This calculator is designed for dates that already happened. For a future event, use an event, wedding or vacation countdown calculator.
Frequently asked questions
Can this show the next anniversary?
Yes. It shows how long it has been and how many days remain until the next annual anniversary.
Can I use it for work anniversaries?
Yes. It works for any past date.
Does it include today?
It uses the calendar-day difference between the two selected dates.