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Online Alarm Clock, Timer, Stopwatch and Time Tools

Set an alarm or start a timer, time laps on the stopwatch, check sunrise and sunset, tonight's moon phase or today's tides, and compare the time anywhere on the world clock.

Alarm Clock
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alarm-clock.orgHow it works

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Open to see the full screen bedside clock.

Timer
1 min5 min10 min15 min
Open Timer
Stopwatch
StartLap
Fastest00:03.86Slowest00:04.51Average00:04.15
LapLap timeTotal
  • Lap 300:04.5100:12.47
  • Lap 200:03.8600:07.96
  • Lap 100:04.1000:04.10
Open

Sunrise & Sunset

The cities below run north to south. The farther from the equator, the more day length swings with the season — long summer days, short winter ones.

Sun times near meSearch a city
Moon Phase Today
Waning gibbous 83% illuminated Next full moon in 25 days
Aug 285% Aug 377% Aug 467% Aug 556% Aug 645% Aug 734% Aug 823% Aug 914% Aug 107% Aug 112% Aug 120% Aug 131% Aug 144% Aug 1510% Aug 1617% Aug 1726% Aug 1835% Aug 1945% Aug 2054% Aug 2164% Aug 2272% Aug 2380% Aug 2487% Aug 2593% Aug 2697% Aug 27100% Aug 28100% Aug 2998% Aug 3094% Aug 3188%
Moon times near meSearch a city
Tide Charts
Los Angeles, CA
024ft6a12p6p0.3ft4.7ft1.9ft
Today's high & low tides — open the live chart →
Boston, MA
0510ft6a12p6p10.1ft0.2ft9.7ft0.7ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p4.3ft9.2ft0.8ft11.7ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state
World Clock
New York3:45 PM
Open
London8:45 PM
Open
Tokyo4:45 AM
Open
Sydney5:45 AM
Open
See every time zone →

Event countdowns

Live countdowns to birthdays, holidays, sports and the days you're waiting for.

Celebrity birthdaysHolidaysSportsWork weekEvent calendar
Browse all event countdowns →

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Guides: using the timer & stopwatch in a classroom · how these numbers are worked out · how it works · browser limitations · about this site.

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Ask us anything about the tools, tell us what's broken or confusing, or suggest something we're missing. Every message is read by a person.

If you leave an email we'll reply to questions. We can't promise to build every suggestion, but they directly shape what we work on next.

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