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v1.1UtiliviseStudioDeveloper & Content Creator Toolkit
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Quick Summary
Find an exact age from a birthday (years, months, days), the duration between two dates, or add and subtract days, weeks, months, and years from any date.
Interactive Client Prototype Sandbox
Exact age36y 5m 0d
Total days13,300
Total weeks1,900
Total months437
Total hours319,200
Born on aMonday
Next birthday214 days
How to use the Age & Date Calculator
Step-by-Step Guide
Pick a mode (Age, Days Between, or Add/Subtract). Choose your dates with the pickers; results update instantly. Use a negative amount in Add/Subtract to go backwards in time.
ExampleBorn 1990-01-01, as of today ➔ exact age in y/m/d, total days lived, and days until the next birthday.
Who it's for
Anyone checking ages, planners, HR staff, parents, and people counting down to events.
Core Features
- Exact age in years, months, and days, plus total days, weeks, months, and hours lived.
- Day-of-the-week born and a live countdown to the next birthday.
- Days-between-two-dates mode including a business-days (weekday) count.
- Add or subtract days, weeks, months, or years from any starting date.
🛡️ No tracking — your inputs, keys, and details never leave this client sandbox.