Date & Time
Calculate ages, date differences, durations, and time zones in seconds. 10 free tools, fast and accurate.
💡 Whether you're counting down to an event, working out your exact age, or converting time zones, these date and time tools give you precise answers instantly.
Age Calculator
Exact age in years, months, days
Date Calculator
Add or subtract days to a date
Date Difference Calculator
Days between two dates
Days Until Calculator
Countdown to a date
Days in Month
Number of days in a given month
Hours Calculator
Work hours and minutes total
Leap Year Calculator
Is a year a leap year
Time Duration Calculator
Duration between times
Time Zone Converter
Convert time across zones
Week Number Calculator
ISO week number of a date