Every tool on Clooock, sorted by family. They all work in your browser, for free, without an account, on a phone as well as on a computer.
Clocks and alarms
Alarm clockWake up to the sound you like.Full screen clockFour styles, with or without seconds.World clockThe time in every city, with the gap from yours.Time zone converterConvert a time between cities, with the day.Daylight saving timeWhen the clocks change next, wherever you are.
Timers and stopwatches
TimerCountdowns with sound and presets.Egg timerRunny, jammy or hard-boiled.StopwatchLaps to the hundredth.Pomodoro25 minutes of focus, then a break.Countdown to a dateDays, hours and minutes until any date.Interval timerHIIT, Tabata and EMOM with work and rest beeps.Chess clockTwo clocks, one tap per move, with increment.
Time calculators
Date calculatorDays between two dates, or a date plus 90 days.Age calculatorYour exact age, down to the day.Business days calculatorWorking days between two dates, holidays removed.Day of the weekWhat day of the week was, or will be, any date.Time calculatorAdd hours and minutes, or the time between two times.Hours calculatorA weekly timesheet with breaks, overtime and pay.Decimal hours converter1 h 45 min = 1.75 hours, both ways.Unix timestampThe current epoch time, and a two-way converter.Sleep calculatorWhat time to go to bed, in 90-minute sleep cycles.
Calendar and dates
CalendarThe whole year at a glance, with holidays and week numbers.Christmas countdownDays until Christmas, with games and music.Week numberWhat week is it? US or ISO numbering, with dates.Public holidaysEvery public holiday by country, and the next one.Easter dateEaster for any year, and every movable feast.Saint of the dayToday’s saint and feast day, and the feast of any name.
Sun and moon
Sunrise and sunsetSunrise, sunset, day length and golden hour, anywhere.Moon phaseTonight’s moon, its age and the next full moon.