Calculate your exact age in years, months, days, hours and minutes. Find your zodiac sign and next birthday.
Age is calculated by finding the difference between your birth date and today (or a target date). Years are counted first, then remaining months, then remaining days. The calculator accounts for leap years automatically.
Your Western zodiac sign is determined by your birth date. There are 12 signs, each covering roughly 30 days of the year. Enter your birthday above to see your sign instantly.
Multiply your age in years by 365.25 (accounting for leap years), then add the remaining months and days. The calculator shows your exact day count above after entering your birthday.