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Online Timer, Alarm Clock and Tide Charts

Free, no sign-up, and it all runs right in your browser — start a timer or set an alarm, time laps on the stopwatch, look up today's high and low tides straight from NOAA, check tonight's moon phase, or follow a countdown to the day you're waiting for.

Alarm Clock
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alarm-clock.orgHow it works

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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
Tide Charts
Los Angeles, CA
0246ft6a12p6p-0.5ft4.2ft2.1ft6.0ft
Today's high & low tides — open the live chart →
Boston, MA
0510ft6a12p6p10.1ft0.4ft9.0ft1.2ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p6.6ft9.7ft-1.3ft11.4ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state

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.

See My LocationSearch a Location
Moon Phase Today
Waning gibbous 98% illuminated Next full moon in 28 days
Jul 3099% Jul 3196% Aug 192% 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%
Celebrity Birthday Countdowns
Tom Bradyin 4d
Barack Obamain 5d
Roger Federerin 9d
Jennifer Lawrencein 16d
Bill Clintonin 20d
Usain Boltin 22d
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World Seriesin 82d
Daytona 500in 199d
The Mastersin 255d
Boston Marathonin 263d
Kentucky Derbyin 275d
Indianapolis 500in 304d
Political Countdowns
Midterm Elections 2026in 96d
Presidential Election 2028in 831d
Inauguration Day 2029in 905d
Important Work Countdowns
Friday at 5:00 PM20h 36m
Open
Next Fed. Holiday38d 11h
Open
Next 3-Day Weekend36d 12h
Open
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