Birthday Date Format
How to write your date of birth in MMM DD, YYYY
Enter Your Birthday
Your Birthday in Different Formats
MM/DD/YYYY (US)
03/15/1990
DD/MM/YYYY (EU)
15/03/1990
YYYY-MM-DD (ISO)
1990-03-15
Written
March 15, 1990
How to Write Your Birthday in MMM DD, YYYY
1
Start with the Year (YYYY)
Write the full 4-digit year of your birth.
1990
2
Add the Month (MM)
Write your birth month as a 2-digit number.
March → 03
3
End with the Day (DD)
Write the day with a leading zero if needed.
15th → 15
4
Put It Together
Combine with dashes (-) between each part.
1990-03-15
Tip: Always use leading zeros! Write 03/05/1990 not 3/5/1990. This ensures consistency and avoids confusion.
Birthday Format Examples
| Birthday | MM/DD/YYYY | DD/MM/YYYY | YYYY-MM-DD |
|---|---|---|---|
| January 1, 2000 | 01/01/2000 | 01/01/2000 | 2000-01-01 |
| July 4, 1985 | 07/04/1985 | 04/07/1985 | 1985-07-04 |
| December 25, 1992 | 12/25/1992 | 25/12/1992 | 1992-12-25 |
| February 29, 2000 | 02/29/2000 | 29/02/2000 | 2000-02-29 |
Where You'll Need Birthday Format
📄
Government Forms
🏦
Bank Applications
✈️
Travel Documents
💼
Job Applications
🏥
Medical Records
🌐
Online Sign-ups
Birthday in Other Formats
Frequently Asked Questions
What does "birthday MMM DD, YYYY" mean?
It means to write your birth date in the MMM DD, YYYY format. For example, if you were born on March 15, 1990, you'd write 1990-03-15.
How do I write my birthday if I was born on a single-digit day?
Add a leading zero. If you were born on March 5, write it as 03/05/YYYY (US) or 05/03/YYYY (EU), not 3/5/YYYY.
Which format should I use for international documents?
For international documents, DD/MM/YYYY is more common globally. However, always check the form's instructions as some specifically require YYYY-MM-DD (ISO format).