Birthday Date Format
How to write your date of birth in DD/MM/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 DD/MM/YYYY
1
Start with the Day (DD)
Write the day of the month with a leading zero if needed (01-31).
15th → 15
2
Add the Month (MM)
Write your birth month as a 2-digit number.
March → 03
3
End with the Year (YYYY)
Write the full 4-digit year of your birth.
1990 → 1990
4
Put It Together
Combine with slashes (/) between each part.
15/03/1990
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 DD/MM/YYYY" mean?
It means to write your birth date in the DD/MM/YYYY format. For example, if you were born on March 15, 1990, you'd write 15/03/1990.
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).