WorldClock.com
Free Time Zone Tools
Converters, planners and calculators for everything to do with time around the world.
Time zone converters
Time Zone ConverterConvert a time between any cities.Time Difference CalculatorHours between any two cities.Meeting PlannerFind meeting times that suit every city.Time Zone MapInteractive map of world time zones.Time Zone AbbreviationsWhat EST, IST, CET and others mean.What Time Zone Am I In?Your time zone, detected.Military Time Converter24-hour & Zulu time made easy.Unix Timestamp ConverterEpoch time to date and back.Flight Arrival Time CalculatorLocal arrival time for any flight.
Clocks, alarms & timers
Online ClockFull-screen clock with seconds.My World ClockYour own multi-city clock board.Online Alarm ClockFree alarm in your browser.Online TimerCountdown timer with alarm.Online StopwatchStopwatch with lap times.Countdown TimerCountdowns to holidays and your own events.Interval TimerHIIT & Tabata workouts.Chess ClockTwo-player game clock.Clock Widget for WebsitesEmbed a live clock on your site.
Dates & calendars
Date CalculatorDays between dates, add & subtract.Age CalculatorExact age & next birthday.Week NumberCurrent week number & calendar.Daylight Saving Time TrackerEvery upcoming clock change.Buddhist Year ConverterB.E. ↔ A.D. (Thai calendar).Hijri Date ConverterIslamic Hijri ↔ Gregorian.Hebrew Date ConverterJewish calendar ↔ Gregorian.Chinese Calendar & ZodiacLunar date & zodiac animal.Japanese Era ConverterReiwa, Heisei & Shōwa years.Persian Date ConverterSolar Hijri (Jalali) ↔ Gregorian.Ethiopian Date ConverterEthiopian ↔ Gregorian.
Sun, moon & sky
Sunrise & Sunset CalculatorSunrise, sunset and golden hour.Golden Hour CalculatorBest light for photos.Moon Phase TodayTonight’s moon & moon calendar.Full Moon CalendarFull moon dates & names.Moonrise & Moonset TimesWhen the moon rises & sets.Moon on Your BirthdayThe moon on any date.Astronomy CalendarEclipses, meteors & sky events.Sidereal Time & Julian DateLST, GMST & Julian Date.
Work, travel & markets
Hours CalculatorHours between two times.Time Card CalculatorWeekly hours, overtime & pay.Decimal Time ConverterHours:minutes ⇄ decimal.Pomodoro Timer25-minute focus sessions.Sleep CalculatorBest bedtime & wake-up time.Jet Lag CalculatorA personal plan to beat jet lag.Stock Market & Business HoursIs the market open right now?Stock Market CountdownCountdown to the opening bell.
Tools for working across time zones
WorldClock.com has been helping people work out the time around the world since 1998. These free tools use the official IANA time zone database built into your browser, so daylight saving changes are always handled for you – nothing to install and no sign-up.