Age Calculator – Exact Years, Months, Days & Next Birthday Use this free Age Calculator to find your exact age in years, months, and days. See your next birthday countdown , the weekday you were born , your zodiac sign , and the total time lived in days, hours, and minutes. Everything runs in your browser—no data saved. Contents: Age Calculator • How It Works • FAQ Age Calculator Date of Birth As of (optional) Defaults to today if empty Calculate Reset Exact Age — — Next Birthday — — Born On (Weekday) — — Western Zodiac — Time Lived — — How This Age Calculator Works Exact age (Y/M/D) uses real calendar rules (variable month lengths and leap years). Next birthday adjusts correctly for leap-da...
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