Age & Date Calculator
Frequently Asked Questions
How the age calculator works
How is the exact age calculated?
Age is calculated considering precise years, months and days relative to today's date. The calculation accounts for months with different numbers of days and leap years. For example, if you were born on February 29, the birthday is considered February 28 in non-leap years.
How is the zodiac sign determined?
The western zodiac sign is determined by the month and day of birth according to the standard tropical calendar. For example, those born between March 21 and April 19 are Aries. The Chinese zodiac is based on the birth year with a 12-year cycle, each associated with an animal.
Is the countdown to the next birthday accurate?
Yes, the countdown shows the exact days remaining until the next birthday calculated from today's date. If today is your birthday, it will show 0 days. The calculation considers the current or next year depending on when the birthday falls.
Can I use this tool to calculate the age of a company?
Yes, by entering the company's founding date you can calculate exactly how many years, months and days have passed since opening. The field accepts any historical date as long as it is not in the future.
How is exact age in years, months and days worked out?
Exact age comes from comparing the date of birth with today and reporting years, months and days separately. The count allows for months of different length and for leap years.
How many days have I lived since birth?
The day count runs from the date of birth to today, and the weeks and months lived appear next to it. Entering the date of birth is enough to see all three.
Does the calculator give the star sign too?
From the date of birth it works out the Western star sign, from the month and day, and the Chinese zodiac animal, from the year. The day of the week you were born on appears as well.