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Age Calculator
Your exact age down to the minute

Calculate your precise age in years, months, days, hours, and minutes from any date of birth. Find age on a specific date or calculate the difference between two dates.

Exact ageYears + months + daysAge differenceAny date range

?How age is calculated

Age calculation follows the Gregorian calendar system used by 193 of 195 countries worldwide. The method counts the number of complete years, months, and days elapsed between a date of birth and a reference date (typically today). This is the same method used by government agencies globally — the Unique Identification Authority of India (UIDAI) uses this system for Aadhaar age verification, and the Election Commission of India uses it to determine voter eligibility at age 18.

How old am I if born on January 1, 1990?

As of April 19, 2026, someone born on January 1, 1990 is exactly 36 years, 3 months, and 18 days old. That's approximately 13,258 days, 318,192 hours, or 19,091,520 minutes. The next birthday is in 8 months and 12 days.

!Why age calculation matters

Accurate age calculation is required for numerous legal and administrative purposes in India and worldwide. According to Indian law, different age thresholds trigger different rights and obligations: voting at 18 (Representation of People Act, 1950), driving at 18 (Motor Vehicles Act, 1988), marriage at 21 for men and 18 for women (Prohibition of Child Marriage Act, 2006), and senior citizen benefits at 60 (Income Tax Act, Section 80TTB and Senior Citizens' Savings Scheme).

For government services, age is verified through documents like Aadhaar (1.4 billion cards issued), birth certificates, and school leaving certificates. The Supreme Court of India has ruled that the date of birth recorded in the school register is the primary evidence of age for government employment purposes.

ΣAge milestones in India

AgeMilestoneLegal reference
5-6School admission (Class 1)RTE Act, 2009
18Voting, driving license, AadhaarConstitution, MVA 1988
21/18Legal marriage (male/female)PCMA, 2006
58-60Government retirementCCS Rules
60Senior citizen tax benefitsIT Act Sec 80TTB
80Super senior citizen benefitsIT Act (higher exemption)

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Frequently asked questions

How do I calculate my exact age?
Enter your date of birth and the calculator computes your age in years, months, and days using the Gregorian calendar. It also shows your age in total days, hours, and minutes. This is the same method used by UIDAI for Aadhaar verification.
What is the legal voting age in India?
18 years. As per Article 326 of the Indian Constitution and the 61st Amendment Act of 1988, any citizen who has completed 18 years of age on the qualifying date is eligible to vote. The qualifying date is January 1 of the election year.
How is age calculated for government jobs?
Age is calculated from the date of birth to the closing date of the application. The Supreme Court of India has ruled that the DOB in the school register (matriculation certificate) is the primary evidence for age verification in government employment.
Can I calculate age difference between two people?
Yes. Enter one person's DOB in the "Date of birth" field and the other person's DOB in the "Age on date" field. The calculator will show the exact age difference in years, months, and days.