Date & Time
Date calculators, timezone converters and timers
Date Difference Calculator
Calculate the exact difference between two dates in years, months, days, weeks, hours and minutes.
Open tool →Timezone Converter
Convert times between timezones instantly. Supports 28+ world timezones with DST handling.
Open tool →Countdown Timer
Set a target date and time, then watch a live countdown showing days, hours, minutes and seconds.
Open tool →Stopwatch
Precise online stopwatch with start, stop, reset and lap time recording. Centisecond accuracy.
Open tool →Pomodoro Timer
25-minute work and 5-minute break cycles with progress bar, session counter and phase tracking.
Open tool →Week Number Calculator
Find the ISO week number, day of year, days remaining, quarter and more for any date.
Open tool →Date Formatter
Format any date in 12 patterns including ISO 8601, US, EU, RFC 2822, Unix timestamp and relative.
Open tool →World Clock
Live-updating clocks for multiple timezones. Add and remove cities to build your custom dashboard.
Open tool →Business Days Calculator
Count business days between two dates excluding weekends and custom holidays.
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