Anniversary Calculator

Calculate time since important dates and milestones. Track wedding anniversaries, company founding dates, relationship milestones, or any special event. Get detailed breakdowns and discover upcoming anniversary milestones with traditional names.

Enter the date of your wedding, founding, or special event
Give your anniversary a name for personalized results
50th Anniversary

50 Years

0 months and 0 days

Since: Wednesday, December 17, 1975
Calculated on: December 17, 2025
Time Breakdown
18,263 Total Days
2,609 Total Weeks
600 Total Months
438,312 Total Hours
Next Anniversary

51st Anniversary

Thursday, December 17, 2026

365 days until your next anniversary

Upcoming Milestones

60 years
Diamond Anniversary (60th year)
December 17, 2035
3652 days away
70 years
Platinum Anniversary (70th year)
December 17, 2045
7305 days away
75 years
Diamond/Platinum Anniversary (75th year)
December 17, 2050
9131 days away
80 years
80th Anniversary
December 17, 2055
10957 days away
90 years
90th Anniversary
December 17, 2065
14610 days away

How to Use

  1. Enter the anniversary date - Wedding, founding, or any special day
  2. Add event name (optional) - Personalize your results
  3. Click Calculate - Get detailed time breakdown and upcoming milestones

When to Use

Personal

Wedding anniversaries: Track traditional milestones (Silver, Golden, Diamond)

Relationship milestones: Celebrate dating anniversaries and special moments

Life events: Track time since births, adoptions, or major life changes

Professional

Company founding: Celebrate business milestones and anniversaries

Project start dates: Track project duration and celebrate completion

Employment: Track work anniversaries and tenure

Traditional Anniversary Names

  • 1st: Paper
  • 5th: Wood
  • 10th: Tin/Aluminum
  • 15th: Crystal
  • 20th: China
  • 25th: Silver
  • 30th: Pearl
  • 40th: Ruby
  • 50th: Golden
  • 60th: Diamond

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