Alternative Age Calculator
Your age in every unit — years, months and days; total days, weeks, hours and minutes — plus the weekday you were born, the days until your next birthday and the round-number day milestones ahead (your 10,000th day, for instance).
Age around the world
Most countries count age from birth, incrementing on each birthday. Traditional East Asian reckoning counted a person as one at birth and added a year every New Year — so a child born in late December could be "two" within days. South Korea officially adopted the international system in 2023.