Frequently Asked Questions
Everything you need to know about calculating your age and birthday.
How do I calculate my exact age?
Enter your date of birth in the calculator above. BirthFacts instantly calculates your exact age in years, months, days, hours, and minutes based on today's date.
How old am I if I was born in 1990?
If you were born in 1990, you are 35 years old in 2025 (or 36 if your birthday has passed). Use the calculator for your exact age including months and days.
How do I calculate my age in months?
Multiply your complete years by 12, then add the remaining months since your last birthday. Our calculator shows this automatically under 'Total Months'.
How many days old am I?
The number of days you have lived equals the difference between today's date and your birth date. For example, someone born on January 1, 1990 is over 12,000 days old today.
What day of the week was I born on?
BirthFacts calculates the exact day of the week for any date of birth. Each weekday also carries a planetary ruler and spiritual meaning — for example, Monday is ruled by the Moon, Friday by Venus.
How many days until my next birthday?
Our birthday countdown shows the exact number of days, hours, minutes, and seconds until your next birthday, updating live in real time.
What is a Life Path Number?
In numerology, your Life Path Number is calculated by summing all the digits in your full birth date (day + month + year) and reducing to a single digit (1–9) or a master number (11, 22, 33).
What is the difference between Chinese zodiac and western zodiac?
Western zodiac (e.g. Aries, Taurus) is based on your birth month and changes roughly every 30 days. Chinese zodiac runs on a 12-year cycle, with each year represented by an animal — Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, or Pig.
What is an Indigo Child?
Indigo Children is a spiritual concept describing people born approximately between 1970 and 1990, believed to possess heightened intuition, a strong sense of purpose, and a drive to challenge existing systems.
What generation am I?
Generations are defined by birth year ranges: Baby Boomers (1946–1964), Gen X (1965–1980), Millennials (1981–1996), Gen Z (1997–2012), Gen Alpha (2013–2025). Enter your birthdate to see your generational identity.
What is a Kin number in the Mayan calendar?
In the Mayan Dreamspell calendar system, each day has a Kin number (1–260) that combines a Day Sign (one of 20 solar seals, such as Dragon, Wind, or Sun) with a Galactic Tone (1–13). Your Kin reveals your energetic archetype and is part of a 260-day sacred cycle called the Tzolk'in.
What does my moon phase mean?
The moon phase at your birth is believed in many traditions to influence your personality and emotional nature. For example, a Full Moon birth is associated with heightened emotions and visibility, while a New Moon birth suggests new beginnings and a strong inner life.