Birthday Calculator

Calculate days until your next birthday, find out what day of the week you were born, discover your zodiac sign, birthstone, and view upcoming milestone birthdays.

Your Birth Date

Current Date (Optional)

Include Time of Birth?

Yes, include time

Time of Birth

Your Birthday Results

Days Until Your Next Birthday

You'll be -- years old

Birth Information

Day of Week Born --
Zodiac Sign --
Birth Stone --
Chinese Zodiac --

Milestone Birthdays

Age	Date	Day of Week	Days From Now	Significance

Fun Birthday Facts

How to Use This Calculator

Select your birth date using the day, month, and year dropdowns
Optionally select a different current date using the dropdowns (default is today)
If you know your birth time, check "Include Time" and select hour and minute
Click "Calculate Birthday Info" to see your results
View days until your next birthday, birth information, and milestone birthdays
Share your results with friends and family

About Birthday Calculator

Our Birthday Calculator helps you:

Count days until your next birthday
Discover what day of the week you were born
Find your zodiac sign and birthstone
Plan for upcoming milestone birthdays
Learn fun facts about your birthday

This calculator is perfect for birthday planning, astrology enthusiasts, and anyone curious about their birth date significance.