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.