Date & time
Date & time — Free Online
Access every date & time from one page with clean navigation and quick results.
Complete date & time collection
This page lists all tools currently available in Date & time. You can open any tool directly and compare options in one place.
Category pages are generated from the registry, so newly added tools appear automatically without manual page wiring.
All Date & time
Browse with filtersAge Calculator
Exact age with live countdown, Islamic Hijri date and 12+ life metrics.
Birthday Countdown Calculator
Days until your next birthday; optional age on that day from full DOB.
Business Days Calculator
Count Mon–Fri between dates or add N business days to a start date.
Date Add & Subtract
Add or subtract days, weeks, months or years from any date — ISO week & ordinal.
Date Difference Calculator
Exact gap between two dates — years, months, days, working days and more.