Age & Date: Date Calculator

Eight fast, precise date calculators in one clean app. No account, no sign-up — open it and get your answer instantly. 🎂 AGE CALCULATOR Your exact age in years, months and days — plus live "seconds lived", days until your next birthday, and your zodiac sign. Compare two birth dates in one tap. ⏳ COUNTDOWN TIMER Count down to any event, to the day, hour, minute and second. One-tap presets (Today, Christmas, New Year) and an optional reminder notification that fires even if the app is closed. 🤰 PREGNANCY CALCULATOR Due date from your last period (adjustable cycle length), current week with trimester, baby-size milestones, and a full week-by-week guide from week 4 to 40. 📅 DATE DIFFERENCE The exact time between any two dates — in years/months/days, and as total months, weeks, days and hours. 📆 DAY OF THE WEEK Find the weekday of any date, past or future — with a fun "on this day" fact. 💼 BUSINESS DAYS Working days between two dates, with weekends and public holidays counted for the US, UK, Canada and Australia. 🌍 TIME ZONE CONVERTER Live clocks for New York, London, Paris, Dubai, Tokyo and Sydney — add any city in the world, and see the best meeting window across all of them. 🏛️ HISTORICAL AGE How old was Einstein when he published relativity? Explore the ages of famous figures at their defining moments. WHY AGE & DATE? • 100% free, no account, no sign-up • Works offline — everything is calculated on your device • Your dates never leave your phone • Light & dark theme, Material You dynamic colors • Fast, precise and ad-supported so it stays free Perfect for birthdays, weddings, baby countdowns, project deadlines, travel planning and settling "what day was that?" debates.