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Pet Birthday Calculator

Enter your pet's birthdate to see their exact age, how many days until their next birthday, and their zodiac sign.

Pet Details

Age

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Years
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Months
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Days
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Total Days Alive

Next Birthday

Next Birthday
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Days Until Birthday
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Zodiac Sign

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How It Works

Age Calculation

The exact age is computed from the birthdate to today using calendar arithmetic: full years first, then remaining months, then remaining days. Total days alive is the simple difference between today and the birthdate.

Birthday Countdown

The next anniversary of the birthdate is calculated. If today is already the birthday, the countdown shows 0. Otherwise it shows the number of days remaining until the next occurrence of the same month and day.

Zodiac Sign

The Western (tropical) zodiac sign is assigned by the month and day of the birthdate, regardless of year. Twelve signs cover the full calendar year from Aries (Mar 21) through Pisces (Feb 19).

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