Birthday Countdown Calculator
Find how many days remain until your next birthday, and what age you'll be turning.
- Free to use
- Accurate results
- No registration required
- Works on all devices
Enter your date of birth to find how many days remain until your next birthday.
Defaults to today's date.
Your result
2027-06-15
Next birthday
Days until276
Turning age32
AI explanation
Formula
Finds the next occurrence of your birth month and day on or after the reference dateWorked example
Born 1995-06-15, counting from 2026-09-12
| Field | Value |
|---|---|
| Date of birth | 15-06-1995 |
| Count from | 12-09-2026 |
| Next birthday | 2027-06-15 |
| Days until | 276 |
| Turning age | 32 |
Assumptions
- A birthday on 29 February is treated as 28 February in non-leap years, consistent with the Age Calculator's month-end-clamping convention.
Frequently asked questions
What happens if today is my birthday?
"Days until" shows 0, and the turning age shown is the age you're turning today.
What happens to a 29 February birthday in a non-leap year?
It's treated as 28 February, the same month-end-clamping convention used by the Age Calculator for consistency.
Can I check this as of a date other than today?
Yes — change "Count from" to see the countdown as of any reference date.