An anniversary usually falls on the same month and day as the original event in a previous year.
For a wedding anniversary, use your wedding date. For a dating anniversary, use the date you and your partner agreed marks the start of your relationship.
Your anniversary year increases each time that date comes around.
Key Takeaways
- Your anniversary date usually matches the original date of a special event.
- A wedding anniversary is based on your wedding date, not necessarily the day you first met.
- Your first anniversary occurs one year after the original event.
- Anniversary celebrations can mark relationships, marriages, jobs, and other milestones.
- February 29 anniversaries need a personal convention in years without that date.
When Is an Anniversary?
If you are asking, “When is aniversary?” the correct spelling is “anniversary,” and the answer depends on the event you want to celebrate.
An anniversary is the yearly return of a date connected to an important event. It could be your wedding, the beginning of a relationship, your first day at work, or the founding of a business.
definition in the Cambridge English Dictionary
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For example, if you got married on October 26, 2020, your wedding anniversary falls on October 26 each year. On October 26, 2026, you celebrate your sixth wedding anniversary.
However, not every anniversary is a wedding anniversary. Some couples celebrate the day they started dating, while companies recognize the date they opened their doors.
The easiest way to find your anniversary is to identify the original event and its date. Once you know that date, you can calculate the anniversary year and plan your celebration.
How to Calculate Your Anniversary Date
Finding your anniversary date is simple when you know when the original event happened. You do not need complicated calculations for most dates.
Follow these steps:
- Find the original date. Check your wedding certificate, calendar, photographs, messages, or other records.
- Identify the event. Decide whether you are calculating a wedding anniversary, dating anniversary, work anniversary, or another milestone.
- Use the same month and day. Your anniversary normally returns on that calendar date each year.
- Count the completed years. Each year that passes on the anniversary date adds another year to the milestone.
Example of a Wedding Anniversary
Suppose a couple got married on May 14, 2019.
Their anniversary dates would be:
| Date | Anniversary |
|---|---|
| May 14, 2020 | 1st wedding anniversary |
| May 14, 2021 | 2nd wedding anniversary |
| May 14, 2024 | 5th wedding anniversary |
| May 14, 2029 | 10th wedding anniversary |
The couple does not need to select a new date each year. Their original wedding date determines the anniversary.
Example of a Relationship Anniversary
Imagine you and your partner decided that your relationship officially began on August 8, 2023.
Your first dating anniversary would be August 8, 2024. Your third dating anniversary would be August 8, 2026.
You can use the same method for an engagement anniversary, friendship milestone, or another meaningful event. The key is to agree on which date represents the occasion.
Is Your Anniversary the Day You Met or Got Married?
Your anniversary can be either date, depending on what you want to celebrate.
A wedding anniversary marks the date you got married. A dating anniversary marks the date you consider the beginning of your romantic relationship.
These dates may be different, and that is perfectly normal.
| Occasion | Date to use |
|---|---|
| Wedding anniversary | The date of your wedding |
| Dating anniversary | The agreed-upon start of your relationship |
| First-date anniversary | The date of your first date |
| Engagement anniversary | The date of your engagement |
| Work anniversary | The date you started your job |
| Business anniversary | The date your business began or officially opened |
For example, a couple might have met on March 3, 2020, started dating on April 10, 2020, and married on September 18, 2023.
They could celebrate all three relationship milestones if those dates are meaningful to them.
There is no need to choose only one. The important thing is to understand which event each anniversary represents.
When Is Your First Anniversary?
Your first anniversary occurs one year after the original event.
For a wedding, this means the first anniversary is the first yearly return of your wedding date. A relationship, it is the first yearly return of your agreed-upon start date.
For example, if you got married on December 12, 2025, your first wedding anniversary will be December 12, 2026.
A common mistake is counting the wedding day itself as the first anniversary. The wedding day marks the beginning of the marriage, while the first anniversary marks one full calendar year since that date.
The same principle applies to work anniversaries and business milestones.
If you started a job on January 5, 2022, your fifth work anniversary will be January 5, 2027.
Does Your Anniversary Fall on the Same Date Every Year?
Yes. In most cases, an anniversary falls on the same month and day every year. However, the day of the week can change.
For instance, an anniversary that falls on Monday one year might fall on Tuesday or Wednesday in another year. Leap years can also affect how the weekday shifts.
Your anniversary date and your celebration date do not have to be the same.
If your wedding anniversary falls on a Tuesday but you want to celebrate on Saturday, you can plan dinner or a trip for the weekend. You are still celebrating the same anniversary.
What If Your Anniversary Is February 29?
February 29 occurs only in leap years, which generally happen every four years. This can make anniversary planning slightly different for couples who marry on that date.
For example, if you got married on February 29, 2024, the next February 29 will be in 2028.
In non-leap years, February 29 does not exist. Some couples celebrate on February 28, while others choose March 1. Neither approach is a universal rule for personal celebrations.
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Choose the date that feels right for you and your partner, and use it consistently when planning your annual celebration.
Common Anniversary Milestones and Their Names
Some wedding anniversaries have traditional names associated with particular years. These names can help you choose a thoughtful gift or plan a special celebration.
The following are commonly recognized US wedding-anniversary gift traditions. They are customs rather than requirements, and gift lists can vary.
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| Anniversary year | Traditional name |
|---|---|
| 1st | Paper |
| 2nd | Cotton |
| 3rd | Leather |
| 5th | Wood |
| 10th | Tin or aluminum |
| 15th | Crystal |
| 20th | China |
| 25th | Silver |
| 30th | Pearl |
| 40th | Ruby |
| 50th | Gold |
| 60th | Diamond |
For example, a couple celebrating their 25th wedding anniversary might exchange silver jewelry or enjoy a special dinner with family.
For a first anniversary, a handwritten letter, scrapbook, or personalized paper gift could be meaningful.
You do not have to follow these traditions exactly. A thoughtful gift based on your partner’s interests can be just as special.
How to Find Your Next Anniversary Date
If you know your original date but cannot remember when the next anniversary will occur, use this simple method.
Step 1: Write down the original date.
For example, your wedding date might be June 20, 2015.
Step 2: Check whether the date has passed this year.
As of October 26, 2026, June 20 has already passed.
Step 3: Move to the next calendar year.
Your next wedding anniversary will be June 20, 2027.
Step 4: Count the anniversary year.
You will celebrate your 12th wedding anniversary on that date.
You can also use an online anniversary calculator to enter your starting date and find the next anniversary or the time elapsed. Check how the calculator handles February 29 if that applies to you.
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If you are unsure of the original date, check old photographs, calendar entries, invitations, work records, or messages. These can help you confirm the date before planning your celebration.
Frequently Asked Questions
1. When is my anniversary?
Your anniversary usually falls on the same month and day as the event you want to celebrate. If you mean your wedding anniversary, use your wedding date. If you mean your dating anniversary, use the date you and your partner consider the start of your relationship.
2. How do I calculate my anniversary date?
Find the original date of the event and use the same month and day in each following year. For example, if your wedding was on April 7, 2022, your first anniversary was April 7, 2023, and your fifth will be April 7, 2027.
3. Is your anniversary the day you met or the day you got married?
For married couples, a wedding anniversary marks the wedding date. Some couples also celebrate the day they met, their first date, or the day they began dating. You can celebrate these occasions separately if they are important to your relationship.
4. When is the first wedding anniversary?
Your first wedding anniversary falls one year after your wedding date. If you got married on November 15, 2025, your first anniversary will be November 15, 2026. The wedding date itself is the starting point, not the first anniversary.
5. Can unmarried couples celebrate an anniversary?
Yes. Dating couples can celebrate the anniversary of when their relationship began. Some choose their first date, while others choose the day they officially became a couple. There is no single date that every couple must follow.
6. What happens if your anniversary falls on February 29?
If the original event occurred on February 29, you can celebrate on February 28 or March 1 in non-leap years. In leap years, you can celebrate on February 29 itself. Choose the arrangement that works best for you.
7. How do I know which anniversary year I am celebrating?
Count the number of full years since the original event date. If you got married on October 26, 2020, then October 26, 2026, marks your sixth wedding anniversary. Before the anniversary arrives in 2026, you have completed five full years of marriage.
Final Thoughts
If you are wondering, “When is aniversary?” start by identifying the special event and finding its original date. Most anniversaries occur on the same month and day each year, with the anniversary number increasing as each full year passes.
Whether you are celebrating a wedding, a relationship, a job, or a personal milestone, keeping track of the original date makes planning easier. Save it in your calendar, set a reminder, and choose a celebration that feels meaningful to you.
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