1. What is the Birthday Calculator?

The Birthday Calculator calculates your exact age in years, months and days. It also tells you what day of the week you were born on, when your next birthday will be, and your zodiac sign.

2. How Does the Calculator Work?

The calculator uses PHP's DateTime functions to compute the difference between your birth date and today's date.

Where:

• Current Date — Today's date
• Birth Date — The date you were born

3. Importance of Birthday Calculation

Details: Knowing your exact age is important for many legal, medical, and personal reasons. It helps determine eligibility for various age-restricted activities and services.

4. Using the Calculator

Tips: Enter your birth month, day, and year. The calculator will show your current age, birth day of week, days until next birthday, and zodiac sign.

5. Frequently Asked Questions (FAQ)

Q1: Why does the calculator show a negative age?
A: If you enter a future date, the calculator will show an error as you can't be born in the future.

Q2: How accurate is the age calculation?
A: The calculation is exact, accounting for leap years and varying month lengths.

Q3: What date format should I use?
A: The calculator uses month/day/year format, but you only need to enter the numbers.

Q4: Why is the zodiac sign important?
A: While not scientifically validated, many people enjoy knowing their astrological sign for personal interest.

Q5: Can I calculate age for someone else?
A: Yes, simply enter their birth date instead of yours.