About This Age Calculator

This age calculator computes exact age from date of birth to a selected target date with strict date validation. It shows total months, weeks, days, hours, next birthday countdown, weekday of birth, and zodiac sign.

• Accurate year-month-day difference calculation.
• Custom target date for legal, educational, and planning use cases.
• Milestone projection (next 5-year age marks).
• Client-side calculation for privacy and fast response.