Time Calculators
Date differences, age, timezones
Time is surprisingly complex — leap years, time zones, daylight saving, Unix timestamps. Our time tools cut through the complexity: calculate exact age, find the difference between dates, convert between time zones, generate countdowns, and work with Unix timestamps. Fast and accurate.
Age Calculator
Calculate exact age in years, months, and days from birthdate.
Date Difference Calculator
Find the number of days, weeks, or months between two dates.
Time Converter
Convert between seconds, minutes, hours, days, weeks, months, years.
World Clock
See the current time in major cities and timezones around the world.
Timezone Converter
Convert a specific date and time between any two timezones.
Countdown Timer
Count down to any future date or event with days, hours, minutes, and seconds.
Unix Timestamp Converter
Convert Unix timestamps to dates and back, with live current timestamp.
Business Days Calculator
Count business days between dates or add working days to a date.
Work Hours Calculator
Calculate total work hours and pay from clock-in/out times.
Stopwatch & Timer
Online stopwatch with lap times and countdown timer with alarm.