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